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

Within the Ottoman Empire, the Janissaries were
Waves of energy in the electromagnetic spectrum travel through space and into the earths atmosphere. Which waves pass more crests past a point per second?
A brainstorming web can be an important tool in narrative writing because why?
which of the following uses a nonrenewable energy source?
what is the equation for cellular resperation? no stupid answer plz
What does the word imperialism mean? A. the desire to have a capitalist economy B. the hope of creating a united country C. the drive to create empires
Which line shows the first error in the situation? 3(× -2)= 18 (1). 3x -6 =18 (2). 3x -6 + 6 = 18 + 6. (3) 3x =24. (4). x = 21. (5). A. Line 2. B. Line 3.
how many poundsare in 8 tons?
Why the multiple of any number other than 1 are not prime numbers
A bag has 4 blue marbles, 6 green marbles, 2 red marbles, and 3 yellow marbles. Jasmine draws a green marble and does not replace it. What is the probability of