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

What is the standard form for 6,570,000

Tarleton State University-Central Texas was established when? a. 1999 b. 2005 c. 2010 d. 2015

calculate the volume 8 cm : Base area = 50 cm² hexagonal pyramid

HELPPPPPPPPPP PLEASEEEEEEEE!!

For positive acute angles A and B, it is known that sin A= 45/53 and cos B= 20/29. Find the value of sin (A-B) in simplest form. HELPP. no work needed I just n

In two separate drawers, there are 12 pairs of socks, 9 of which are white, and 7 t-shirts, 5 of which are white. If you randomly select one pair of socks from

train traveling at 60 mph enters a tunnel that is 5 miles long. The train is one mile long. How many minutes does it take for the whole train to pass through th

HELPPPPPPPPPP PLEASEEEEEEEE!!

Correct answer please? I cant figure it out

what is radical and how to use it