Question

PLEASEEEEEEE HELPPP What is the vertex in the quadratic function y = - 4x^2 + 8x - 3 ? Write your answer as an ordered pair.

Answer 1

First do x=-b/2a

Answer 2

first coordinate of the vertex is always \(-\frac{b}{2a}\) which in your case is \(-\frac{8}{2\times -4}=1\)

Answer 3

You can plug in the 1 for x and solve for y

Answer 4

I GOT 1.5 ?

Answer 5

not likely

Answer 6

\[ y = - 4x^2 + 8x - 3\]
\[-4+8-3=?\]

Answer 7

1

Answer 8

recheck your math

Answer 9

is it -1 ?

Answer 10

no

Answer 11

You're close though

Answer 12

y= -4(1)^2 - 8(1) -3

Answer 13

Remember PEMDAS

Answer 14

11?