Question

Which of the following is the solution to the equation 25(z + 2) = 125?

z = 5.5
z = 3.5
z = −2.5
z = −0.5

Answer 1

d) z= -0.5

Explanation:

i took the test

Answer 2

`25^(z+2)=125\\\\(5^2)^(z+2)=5^3\\\\5^(2(z+2))=5^3\\\\2(z+2)=3\qquad|:2\\\\\\z+2=(3)/(2)\\\\\\z=(3)/(2)-2\\\\\\\boxed{z=-(1)/(2)=-0.5}`

Answer D.