Is the Y value of the vertex of 4x squared plus 8X minus 8. help meee

Question

asked Mar 27, 2020 103k views

1 Answer

Bsegraves · Answer 1 · 2020-03-31T02:29:52+0000

Answer:

y = -12

Explanation:

You first calculate the x coordinate using the equation x =
(-b)/(2a) , which in this case is
(-8)/(8) = -1 .

Then plug that x value into the equation to get the y coordinate:

4(-1)²+8(-1)-8 = -12