tamic198223
tamic198223 tamic198223
  • 04-04-2015
  • Mathematics
contestada

What is x^2+8x-5 in vertex form? Please explain.

Respuesta :

konrad509
konrad509 konrad509
  • 04-04-2015
[tex]x^2+8x-5=\\ x^2+2\cdot4\cdot x-5=\\ x^2+2\cdot4\cdot x+4^2-4^2-5=\\ (x+4)^2-16-5=\\ (x+4)^2-21 [/tex]
Answer Link
mathgirl22
mathgirl22 mathgirl22
  • 04-04-2015
[tex]x^2+8x-5=\\ x^2-8x+16-21=\\ (x-4)^2-21[/tex]
Answer Link

Otras preguntas

True or false !!! T or F
What’s the correct answer
A scale model of a merry-go-round and the actual merry-go-round are similar. a. How many times greater is the base area of the actual merry-go-round than the b
Which of the following drugs is considered a stimulant? A.special k B.marijuana C.Cocaine D.Heroin
The solution to 13x = 78 is x = ___. (Only input whole number)
Writing an equation in slope intercept form given 2 points (2,1) and (3,3)
According to gable and her colleagues, which are two distinct motivations that affect interdependence
What happens at the end of transcription apex?
The ostwald process is used commercially to produce nitric acid, which is, in turn, used in many modern chemical processes. in the first step of the ostwald pro
If the present value of an investment is $5,000, what will be its future value in three years if you apply a compound interest of 5 percent to it? $5770 $5778 $