Question

Class 9 chapter number 4 exercise 4.3 question number 5

Answer 1

Given : a graph

To find : Equation of line representing graph

Solution:

points on graph

(1 , - 1)  , (0 , 0) &  ( -1  , 1)

Slope of the line  =  ( 1 - 0)/(-1 - 0)  =  1/(-1)  = - 1

Equation of line as it passes through 0,0

y - 0  =  -1(x - 0)

=> y = - x

=> x + y = 0

Option ii  is correct

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