Question

What is the line of symmetry for the parabola whose equation is y = x^2 - 12x + 7?



1.) x = -6

2.) x = 6

3.) x = 12

Answer 1

axis will be at \(x=-\frac{b}{2a}\) which in your case is ...

Answer 2

x = -b/2a.
--12/(2*1)

Answer 3

Is that -12/(2*1) ?

Answer 4

It's at -b/2a, so the -12 gets another - sign.

Answer 5

So would it be -12 or 12?

Answer 6

What is --12?

Answer 7

Well, that's what I'm asking you. Is it a negative or a positive 12? I'm unsure, considering there's two negative signs in front of the 12.

Answer 8

the minus sign in the formula \(-\frac{b}{2a}\) and the minus sign in \(-12\) are both there
compute
\[-\frac{-12}{2}\]

Answer 9

I don't know what that means.

Answer 10

two minus signs make it positive

Answer 11

THANK YOU! Lol

Answer 12

just like \(5-(-2)=5+2=7\)

Answer 13

yw

Answer 14

So the answer is B?

Answer 15

the answer is \(x=6\)