Question

what is the value of z so that -9 and 9 are both solutions of x^2 + z = 103?

(1 point)

A. -22

B. 3

C. 22

D. 184

Answer 1

[AI-generated answer — Bot GPT 3.5]

To find the value of z, we substitute the given solutions of x into the equation and solve for z.

When x = -9, we have:

(-9)^2 + z = 103
81 + z = 103
z = 103 - 81
z = 22

When x = 9, we have:

(9)^2 + z = 103
81 + z = 103
z = 103 - 81
z = 22

Both solutions give us the same value of z = 22.

Therefore, the answer is C. 22.