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NCERT Solutions for Introduction to Graphs Chapter 15 Class 8 Mathematics CBSE Part 2





In this page we have NCERT book Solutions for Class 8th Maths:Introduction to Graphs Chapter 15 for EXERCISE 2 . Hope you like them and do not forget to like , social share and comment at the end of the page.
Question 1
 Plot the following points on a graph sheet. Verify if they lie on a line
(a) A(4, 0), B(4, 2), C(4, 6), D(4, 2.5)
(b) P(1, 1), Q(2, 2), R(3, 3), S(4, 4)
(c) K(2, 3), L(5, 3), M(5, 5), N(2, 5)
Answer:
a)
NCERT Solutions for Introduction to Graphs Chapter 15 Class 8 Mathematics

As we can see, all the points lie on the straight line
b)
NCERT Solutions for Introduction to Graphs Chapter 15 Class 8 Mathematics
As we can see, all the points lie on the straight line
c)
NCERT Solutions for Introduction to Graphs Chapter 15 Class 8 Mathematics
All points are not in straight line
Question 2
Draw the line   passing through the points (2,3)  and (3,2) and find the coordinate of the points at which it meets x –axis and y –axis
Answer
NCERT Solutions for Introduction to Graphs Chapter 15 Class 8 Mathematics
The coordinates of the points where intersect xaxis and yaxis are 0,5 and 5,0

Question 3
Find the coordinates of each points in the below graph
NCERT Solutions for Introduction to Graphs Chapter 15 Class 8 Mathematics
Answer:
NCERT Solutions for Introduction to Graphs Chapter 15 Class 8 Mathematics
Question 4   
State whether True or False. Correct those are false.
(i) A point whose x coordinate is zero and y-coordinate is non-zero will lie on the y-axis.
(ii) A point whose y coordinate is zero and x-coordinate is 5 will lie on y-axis.
(iii) The coordinates of the origin are (0, 0).
Answer
i) True
ii) False
iii) True

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