In this page we have *NCERT book Solutions for Class 9th Maths Linear equations in two variables* for
EXERCISE 4.4 on page 77. Hope you like them and do not forget to like , social share
and comment at the end of the page.

Give the geometric representations of y = 3 as an equation

(i) in one variable

(ii) in two variables

(i) The representation of the y=3 on the number line is shown in below figure where y=3 is treated as an equation in one variable

(ii) This can be treated as equation in two variable as

$ 0 \times x + y =3$

Drawing the graph by putting x=0 and x=1

So ,it is a line parallel to X-axis

Give the geometric representations of 2x + 9 = 0 as an equation

(i) in one variable

(ii) in two variables

(i) The representation of the $2x+9=0$ on the number line is shown in below figure where x=-9/2 =4.5 is treated as an equation in one variable

(ii) This can be treated as equation in two variable as

$ 2x + 0 \times y +9=0$

Drawing the graph by putting y=0 and y=2

So ,it is a line parallel to Y-axis

**Notes**-
**Ncert Solutions** **Assignments**

Class 9 Maths Class 9 Science