Question

For what values of x is the rational expression below undefined?

Answer 1

The value of x that will result for the rational expression to be undefined will be the values that will give 0 value for the denominator.

A. 7 
2(7)^2 -32 = 66

B. 4 
2(4)^2 -32 = 0 -------> undefined

C. 2
2(2)^2 -32 = -24

D. -2 
2(-2)^2 -32 = -24

E. -4 
2(-4)^2 -32 = 0 -------> undefined

F. -7
2(-7)^2 -32 = 66