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 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

1. Ignacio y Pedro: escuchar un concierto 2. yo: correr en el parque 3. Raquel: bailar con Juan 4. Lucía y Pilar: alquilar un video 5. tú: comprar una novela nu
What makes up the human body, and how does it work? Writing a essay I just need Ideas I can copy and write it down PLEASE AND THANK YOU
What is the name for the chemical compound NaBr and is it ionic or covalent
(Setting up a tripod and camera in underbrush nearby) is a way to be ready when the animals come. The phrase between brackets is a/an
What is an equation in slope-intercept form of the line that passes through the points (−2, −2) and (1, 7)? A. y=13x−43
if the Governor vetoes a bill is it dead?
Which is an example of bias
2.1n - 5.31 = 18 Pls help please show work
What do I do here pls help
What is the solution of the system 3x - 4y = 28 and x + 2y = 6