Question

medal -Do you know the answer for this one .. What is the value of z so that -9 and 9 are both solutions of x2+z =103 ?
a.-22 I think it is A
b.3
c.22
d.184

Answer 1

yea its a

Answer 2

x 2 =103−z

Answer 3

@blueweek77 what do u think a ?

Answer 4

@Luigi0210

Answer 5

I think your right

Answer 6

-22?
Well since you have a squared function, it will always be positive no matter the value
\(( \pm9)^2-22=103\)
So \(81-22=103\), does that seem right?

Answer 7

Ok I see what you mean so it's just plain 22

Answer 8

@Luigi0210

Answer 9

Yup~

Answer 10

TY