Q2 of 34 Page 178

In each of the following equations, take x as the given numbers and compute the numbers y.

y = x2, x = –5, x = 5

1. y = x2, x = –5, x =2. 5

Putting x = -5,


y = (-5)


2 = -5×-5 = 25


Putting x = 5,


y = (5)2 = 5×5


= 25


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