Question

what is the value of z so that -9 and 9 are both solutions of x^2 + z = 103?
A)-22
B) 3
C) 22
D) 184

Answer 1

can you help me @rose21

Answer 2

oh ok

Answer 3

@kewlgeek555

Answer 4

maybe @mathmale or @kewlgeek555 might be able to help

Answer 5

x^2 + z = 103
9^2 + z = 103
81 + z = 103
z = 103 - 81 = ...?

Answer 6

same answer for x = -9 as -9 * -9 also = 81

Answer 7

so it is 22?

Answer 8

I think Mr. Jack the First provides an excellent explanation. :3 Thanks for calling me though. ;D

Answer 9

Thank you @kewlgeek555

Answer 10

and thank you for the help @Jack1

Answer 11

hall good dude, yw hey