{"id":4008,"date":"2026-07-25T13:15:35","date_gmt":"2026-07-25T13:15:35","guid":{"rendered":"https:\/\/physicscatalyst.com\/testprep\/uncategorized\/introduction-to-linear-polynomials-class-9-online-test\/"},"modified":"2026-07-25T13:15:35","modified_gmt":"2026-07-25T13:15:35","slug":"introduction-to-linear-polynomials-class-9-online-test","status":"publish","type":"post","link":"https:\/\/physicscatalyst.com\/testprep\/uncategorized\/introduction-to-linear-polynomials-class-9-online-test\/","title":{"rendered":"Introduction to linear polynomials class 9 online test"},"content":{"rendered":"<script type=\"text\/javascript\" >\ndocument.addEventListener(\"DOMContentLoaded\", function(event) { \nif(!window.jQuery) alert(\"The important jQuery library is not properly loaded in your site. Your WordPress theme is probably missing the essential wp_head() call. You can switch to another theme and you will see that the plugin works fine and this notice disappears. If you are still not sure what to do you can contact us for help.\");\n});\n<\/script>  \n  \n<div  id=\"watupro_quiz\" class=\"quiz-area single-page-quiz\">\n<p id=\"submittingExam528\" style=\"display:none;text-align:center;\">Please wait...<br><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/physicscatalyst.com\/testprep\/wp-content\/plugins\/watupro\/img\/loading.gif\" width=\"16\" height=\"16\"><\/p>\n\n<div class=\"watupro-exam-description\" id=\"description-quiz-528\"><p><strong>General Instructions<\/strong><\/p>\n<ul>\n<li>Your test contains multiple-choice questions with only one answer-type question. There are a total of 10 questions<\/li>\n<li>This is a 20 min test. Please make sure you complete it in the stipulated time<\/li>\n<li>You can finish this test any time using the 'Submit' button.<\/li>\n<\/ul>\n<\/div>\n\n<form action=\"\" method=\"post\" class=\"quiz-form\" id=\"quiz-528\"  enctype=\"multipart\/form-data\" >\n<div class='watu-question ' id='question-1' style=';'><div id='questionWrap-1'  class='   watupro-question-id-8716'>\n\t\t\t<div class='question-content'><div><span class='watupro_num'>1. <\/span>What is the degree of the polynomial 3x<sup>3<\/sup> + 2x<sup>2<\/sup> +1\u00a0 ?<\/div><input type='hidden' name='question_id[]' id='qID_1' value='8716' class='watupro-question-id'\/><input type='hidden' id='answerType8716' class='answerTypeCnt1' value='radio'><!-- end question-content--><\/div><div class='question-choices watupro-choices-columns '  id='questionChoices8716'><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-8716[]' id='answer-id-34812' class='answer   answerof-8716  ' value='34812'   \/><label for='answer-id-34812' id='answer-label-34812' class=' answer'><span>3<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-8716[]' id='answer-id-34813' class='answer   answerof-8716  ' value='34813'   \/><label for='answer-id-34813' id='answer-label-34813' class=' answer'><span>2<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-8716[]' id='answer-id-34814' class='answer   answerof-8716  ' value='34814'   \/><label for='answer-id-34814' id='answer-label-34814' class=' answer'><span>1<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-8716[]' id='answer-id-34815' class='answer   answerof-8716  ' value='34815'   \/><label for='answer-id-34815' id='answer-label-34815' class=' answer'><span>5<\/span><\/label><\/div><!-- end question-choices--><\/div><!-- end questionWrap--><\/div><\/div><div class='watu-question ' id='question-2' style=';'><div id='questionWrap-2'  class='   watupro-question-id-8717'>\n\t\t\t<div class='question-content'><div><span class='watupro_num'>2. <\/span>What is the value of 3x + 3 when x = 4?<\/div><input type='hidden' name='question_id[]' id='qID_2' value='8717' class='watupro-question-id'\/><input type='hidden' id='answerType8717' class='answerTypeCnt2' value='radio'><!-- end question-content--><\/div><div class='question-choices watupro-choices-columns '  id='questionChoices8717'><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-8717[]' id='answer-id-34816' class='answer   answerof-8717  ' value='34816'   \/><label for='answer-id-34816' id='answer-label-34816' class=' answer'><span>14<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-8717[]' id='answer-id-34817' class='answer   answerof-8717  ' value='34817'   \/><label for='answer-id-34817' id='answer-label-34817' class=' answer'><span>15<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-8717[]' id='answer-id-34818' class='answer   answerof-8717  ' value='34818'   \/><label for='answer-id-34818' id='answer-label-34818' class=' answer'><span>12<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-8717[]' id='answer-id-34819' class='answer   answerof-8717  ' value='34819'   \/><label for='answer-id-34819' id='answer-label-34819' class=' answer'><span>10<\/span><\/label><\/div><!-- end question-choices--><\/div><!-- end questionWrap--><\/div><\/div><div class='watu-question ' id='question-3' style=';'><div id='questionWrap-3'  class='   watupro-question-id-8718'>\n\t\t\t<div class='question-content'><div><span class='watupro_num'>3. <\/span>which of these is a cubic polynomials?<\/div><input type='hidden' name='question_id[]' id='qID_3' value='8718' class='watupro-question-id'\/><input type='hidden' id='answerType8718' class='answerTypeCnt3' value='radio'><!-- end question-content--><\/div><div class='question-choices watupro-choices-columns '  id='questionChoices8718'><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-8718[]' id='answer-id-34820' class='answer   answerof-8718  ' value='34820'   \/><label for='answer-id-34820' id='answer-label-34820' class=' answer'><span>3x<sup>3<\/sup> + 1<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-8718[]' id='answer-id-34821' class='answer   answerof-8718  ' value='34821'   \/><label for='answer-id-34821' id='answer-label-34821' class=' answer'><span>2x<sup>2<\/sup> + 3x + 8<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-8718[]' id='answer-id-34822' class='answer   answerof-8718  ' value='34822'   \/><label for='answer-id-34822' id='answer-label-34822' class=' answer'><span>x<sup>2<\/sup> + 4x + 89<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-8718[]' id='answer-id-34823' class='answer   answerof-8718  ' value='34823'   \/><label for='answer-id-34823' id='answer-label-34823' class=' answer'><span>None of the these<\/span><\/label><\/div><!-- end question-choices--><\/div><!-- end questionWrap--><\/div><\/div><div class='watu-question ' id='question-4' style=';'><div id='questionWrap-4'  class='   watupro-question-id-8719'>\n\t\t\t<div class='question-content'><div><span class='watupro_num'>4. <\/span>Sarita is reading a book of 500 pages. She reads 20 pages every day. How many pages will be left after 15 days?<\/div><input type='hidden' name='question_id[]' id='qID_4' value='8719' class='watupro-question-id'\/><input type='hidden' id='answerType8719' class='answerTypeCnt4' value='radio'><!-- end question-content--><\/div><div class='question-choices watupro-choices-columns '  id='questionChoices8719'><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-8719[]' id='answer-id-34824' class='answer   answerof-8719  ' value='34824'   \/><label for='answer-id-34824' id='answer-label-34824' class=' answer'><span>200<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-8719[]' id='answer-id-34825' class='answer   answerof-8719  ' value='34825'   \/><label for='answer-id-34825' id='answer-label-34825' class=' answer'><span>150<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-8719[]' id='answer-id-34826' class='answer   answerof-8719  ' value='34826'   \/><label for='answer-id-34826' id='answer-label-34826' class=' answer'><span>100<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-8719[]' id='answer-id-34827' class='answer   answerof-8719  ' value='34827'   \/><label for='answer-id-34827' id='answer-label-34827' class=' answer'><span>250<\/span><\/label><\/div><!-- end question-choices--><\/div><!-- end questionWrap--><\/div><\/div><div class='watu-question ' id='question-5' style=';'><div id='questionWrap-5'  class='   watupro-question-id-8720'>\n\t\t\t<div class='question-content'><div><span class='watupro_num'>5. <\/span>Which of the following represents a polynomial in one variable?<\/div><input type='hidden' name='question_id[]' id='qID_5' value='8720' class='watupro-question-id'\/><input type='hidden' id='answerType8720' class='answerTypeCnt5' value='radio'><!-- end question-content--><\/div><div class='question-choices watupro-choices-columns '  id='questionChoices8720'><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-8720[]' id='answer-id-34828' class='answer   answerof-8720  ' value='34828'   \/><label for='answer-id-34828' id='answer-label-34828' class=' answer'><span>x<sup>2<\/sup> + 3x + 1<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-8720[]' id='answer-id-34829' class='answer   answerof-8720  ' value='34829'   \/><label for='answer-id-34829' id='answer-label-34829' class=' answer'><span>x + y <\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-8720[]' id='answer-id-34830' class='answer   answerof-8720  ' value='34830'   \/><label for='answer-id-34830' id='answer-label-34830' class=' answer'><span>y +z +x<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-8720[]' id='answer-id-34831' class='answer   answerof-8720  ' value='34831'   \/><label for='answer-id-34831' id='answer-label-34831' class=' answer'><span>xy<sup>2<\/sup> + 3x<\/span><\/label><\/div><!-- end question-choices--><\/div><!-- end questionWrap--><\/div><\/div><div class='watu-question ' id='question-6' style=';'><div id='questionWrap-6'  class='   watupro-question-id-8721'>\n\t\t\t<div class='question-content'><div><span class='watupro_num'>6. <\/span>A linear polynomial is like<br \/>\r\n<br \/>\r\np(x)=ax + b<br \/>\r\n<br \/>\r\nwe have p(0) =4 and p(1) = 10<br \/>\r\n<br \/>\r\nFind the value p(x)<br \/>\r\n<br \/>\r\n&nbsp;<\/div><input type='hidden' name='question_id[]' id='qID_6' value='8721' class='watupro-question-id'\/><input type='hidden' id='answerType8721' class='answerTypeCnt6' value='radio'><!-- end question-content--><\/div><div class='question-choices watupro-choices-columns '  id='questionChoices8721'><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-8721[]' id='answer-id-34832' class='answer   answerof-8721  ' value='34832'   \/><label for='answer-id-34832' id='answer-label-34832' class=' answer'><span>5x + 4<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-8721[]' id='answer-id-34833' class='answer   answerof-8721  ' value='34833'   \/><label for='answer-id-34833' id='answer-label-34833' class=' answer'><span>3x + 4<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-8721[]' id='answer-id-34834' class='answer   answerof-8721  ' value='34834'   \/><label for='answer-id-34834' id='answer-label-34834' class=' answer'><span>6x - 4<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-8721[]' id='answer-id-34835' class='answer   answerof-8721  ' value='34835'   \/><label for='answer-id-34835' id='answer-label-34835' class=' answer'><span>6x + 4<\/span><\/label><\/div><!-- end question-choices--><\/div><!-- end questionWrap--><\/div><\/div><div class='watu-question ' id='question-7' style=';'><div id='questionWrap-7'  class='   watupro-question-id-8722'>\n\t\t\t<div class='question-content'><div><span class='watupro_num'>7. <\/span>If you have 800 and you save 250 every month. Find the amount you will have after x months<\/div><input type='hidden' name='question_id[]' id='qID_7' value='8722' class='watupro-question-id'\/><input type='hidden' id='answerType8722' class='answerTypeCnt7' value='radio'><!-- end question-content--><\/div><div class='question-choices watupro-choices-columns '  id='questionChoices8722'><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-8722[]' id='answer-id-34836' class='answer   answerof-8722  ' value='34836'   \/><label for='answer-id-34836' id='answer-label-34836' class=' answer'><span>800x + 250<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-8722[]' id='answer-id-34837' class='answer   answerof-8722  ' value='34837'   \/><label for='answer-id-34837' id='answer-label-34837' class=' answer'><span>800 + 250x<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-8722[]' id='answer-id-34838' class='answer   answerof-8722  ' value='34838'   \/><label for='answer-id-34838' id='answer-label-34838' class=' answer'><span>250x<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-8722[]' id='answer-id-34839' class='answer   answerof-8722  ' value='34839'   \/><label for='answer-id-34839' id='answer-label-34839' class=' answer'><span>800x<\/span><\/label><\/div><!-- end question-choices--><\/div><!-- end questionWrap--><\/div><\/div><div class='watu-question ' id='question-8' style=';'><div id='questionWrap-8'  class='   watupro-question-id-8723'>\n\t\t\t<div class='question-content'><div><span class='watupro_num'>8. <\/span>The graph of a linear polynomial is always a:<\/div><input type='hidden' name='question_id[]' id='qID_8' value='8723' class='watupro-question-id'\/><input type='hidden' id='answerType8723' class='answerTypeCnt8' value='radio'><!-- end question-content--><\/div><div class='question-choices watupro-choices-columns '  id='questionChoices8723'><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-8723[]' id='answer-id-34840' class='answer   answerof-8723  ' value='34840'   \/><label for='answer-id-34840' id='answer-label-34840' class=' answer'><span>Circle<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-8723[]' id='answer-id-34841' class='answer   answerof-8723  ' value='34841'   \/><label for='answer-id-34841' id='answer-label-34841' class=' answer'><span>parabola<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-8723[]' id='answer-id-34842' class='answer   answerof-8723  ' value='34842'   \/><label for='answer-id-34842' id='answer-label-34842' class=' answer'><span>straight line<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-8723[]' id='answer-id-34843' class='answer   answerof-8723  ' value='34843'   \/><label for='answer-id-34843' id='answer-label-34843' class=' answer'><span>triangle<\/span><\/label><\/div><!-- end question-choices--><\/div><!-- end questionWrap--><\/div><\/div><div class='watu-question ' id='question-9' style=';'><div id='questionWrap-9'  class='   watupro-question-id-8724'>\n\t\t\t<div class='question-content'><div><span class='watupro_num'>9. <\/span>A positive number is 5 times another number. If 21 is added to both the numbers, then one of the new numbers becomes twice the other new number. What are the numbers?<\/div><input type='hidden' name='question_id[]' id='qID_9' value='8724' class='watupro-question-id'\/><input type='hidden' id='answerType8724' class='answerTypeCnt9' value='radio'><!-- end question-content--><\/div><div class='question-choices watupro-choices-columns '  id='questionChoices8724'><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-8724[]' id='answer-id-34844' class='answer   answerof-8724  ' value='34844'   \/><label for='answer-id-34844' id='answer-label-34844' class=' answer'><span>7,35<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-8724[]' id='answer-id-34845' class='answer   answerof-8724  ' value='34845'   \/><label for='answer-id-34845' id='answer-label-34845' class=' answer'><span>6,30<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-8724[]' id='answer-id-34846' class='answer   answerof-8724  ' value='34846'   \/><label for='answer-id-34846' id='answer-label-34846' class=' answer'><span>4,20<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-8724[]' id='answer-id-34847' class='answer   answerof-8724  ' value='34847'   \/><label for='answer-id-34847' id='answer-label-34847' class=' answer'><span>8,48<\/span><\/label><\/div><!-- end question-choices--><\/div><!-- end questionWrap--><\/div><\/div><div class='watu-question ' id='question-10' style=';'><div id='questionWrap-10'  class='   watupro-question-id-8725'>\n\t\t\t<div class='question-content'><div><span class='watupro_num'>10. <\/span>Find the value of polynomial at x=1<br \/>\r\n<br \/>\r\np(x) = 4x<sup>3<\/sup> + 3x<sup>2<\/sup> + 4x + 1<\/div><input type='hidden' name='question_id[]' id='qID_10' value='8725' class='watupro-question-id'\/><input type='hidden' id='answerType8725' class='answerTypeCnt10' value='radio'><!-- end question-content--><\/div><div class='question-choices watupro-choices-columns '  id='questionChoices8725'><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-8725[]' id='answer-id-34848' class='answer   answerof-8725  ' value='34848'   \/><label for='answer-id-34848' id='answer-label-34848' class=' answer'><span>1<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-8725[]' id='answer-id-34849' class='answer   answerof-8725  ' value='34849'   \/><label for='answer-id-34849' id='answer-label-34849' class=' answer'><span>10<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-8725[]' id='answer-id-34850' class='answer   answerof-8725  ' value='34850'   \/><label for='answer-id-34850' id='answer-label-34850' class=' answer'><span>11<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-8725[]' id='answer-id-34851' class='answer   answerof-8725  ' value='34851'   \/><label for='answer-id-34851' id='answer-label-34851' class=' answer'><span>12<\/span><\/label><\/div><!-- end question-choices--><\/div><!-- end questionWrap--><\/div><\/div><div style='display:none' id='question-11'>\n\t<div class='question-content'>\n\t\t<img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/physicscatalyst.com\/testprep\/wp-content\/plugins\/watupro\/img\/loading.gif\" width=\"16\" height=\"16\" alt=\"Loading...\" title=\"Loading...\" \/>&nbsp;Loading...\t<\/div>\n<\/div>\n\n<br \/>\n\t\n\t\t\t<div class=\"watupro_buttons flex \" id=\"watuPROButtons528\" >\n\t\t  <div id=\"prev-question\" style=\"display:none;\"><input type=\"button\" value=\"&lt; Previous\" onclick=\"WatuPRO.nextQuestion(event, 'previous');\"\/><\/div>\t\t  \t\t  \t\t   \n\t\t   \t  \t\t<div><input type=\"button\" name=\"action\" class=\"watupro-submit-button\" onclick=\"WatuPRO.submitResult(event)\" id=\"action-button\" value=\"SUBMIT\"  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