Question

Draw a number line and show all numbers that …

are solutions of the equations (x−1)(x+1)=0.

on a number line that is -5 through 5

Answer 1

The solution to the above equation:

(x-1)(x+1)=0

is x=1 and x= -1

Therefore, there should be points on the line at 1 and -1

Answer 2

(x-1)(x+1) = 0
x = 1 or x = -1

Ans : -1 and 1

-5 -4 -3 -2 -1 0 1 2 3 4 5
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