odalysvelasco1 odalysvelasco1
  • 24-09-2018
  • Mathematics
contestada

h(x)=--x^(2)+8x+15 find the vertex can you show the work .

Relax

Respuesta :

gmany
gmany gmany
  • 03-10-2018

[tex]f(x)=ax^2+bx+c\\\\a\ vertex\ (h,\ k)\\\\h=\dfrac{-b}{2a},\ k=f(h)\\\\We\ have:\\\\h(x)=-x^2+8x+15\\\\a=-1,\ b=8,\ c=15\\\\h=\dfrac{-8}{2(-1)}=\dfrac{-8}{-2}=4\\\\k=h(4)=-4^2+8(4)+15=-16+32+15=31\\\\Answer:\ (4,\ 31)[/tex]

Answer Link

Otras preguntas

What law prohibited marrying between racial groups and ultimately led to pacific islanders marrying into tribal communities?
Please someone help me again :) I love this app because people are so sweet of helping
is it possible for a quadratic equation to have only one x intercept
Do I set the equation up like this and then multiply the 2 on everything?
An olfactory stimulus travels from a receptor to the ________.
what us the solution to the inequality 4-2 (x+10) >12
which word in the set below carries a negative connotation? slim scrawny slender slight
What number is equivalent to 5.12 x 100,000
Proposed by _____, _____ theory was the first major account of color vision.
What characteristics are shared by all alkali metals and alkaline earth metals.