KatieBerman KatieBerman

04-06-2015
Mathematics

contestada

F(x)=-x^2+8x+9
What is the vertex and it the vertex the minimum or maximum??

Respuesta :

Panoyin Panoyin

04-06-2015

X - Vertex
-8 = -8 = 4
2(-1) -2

Y - Vertex
f(x) = -x² + 8x + 9
f(4) = -(4)² + 8(-4) + 9
f(4) = -(16) - 32 + 9
f(4) = -16 - 23
f(4) = -39

(x, f(x)) = (x, y) = (4, -39)

Answer Link

Otras preguntas

if you want to place an 8 1/2 inch towel bar in the center of a door that is 25 1/2 wide how much space will be on each side of the towel bar

I need help on this question plz

write an inequality of the sentence below. Graph the solution on a number line. The value of r is at most 10

Please help!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! Graph the system of inequalities presented here on your own paper, the

which are NOT POLYNOMIALS ??

Over the past three years, I have spent much of my time working without hands-on supervision.

What is the missing statement in the proof? Scroll down to see the entire proof. ∠BDC≅∠ADB ∠BCA≅∠DCB ∠BAC≅∠BAD ∠DBC≅∠BAC Done Given: Δ

what is the value of the exponetial expression below 49 1/2

Which is the dependent variable, the stars or the constellation

Should Cornelius Vanderbilt be given the title “Robber Baron” or “Captain of Industry”? and why?