Question

What value of x makes the denominator of the function equal zero?y=(7)/(5x-25)A.0.2 B.–0.2 C.5 D.–5

Answer 1

The denominator is 5x-25, and we wish to know when it is equal to zero so:

5x-25=0  factor out 5

5(x-5)=0

x=5

Answer 2

X would just equal 5
:)