tiffanyandersoot9fhq tiffanyandersoot9fhq
  • 04-08-2017
  • Mathematics
contestada

x^2+4x-11 in vertex form by completing the square

Respuesta :

jayster107
jayster107 jayster107
  • 04-08-2017
x ^2- 4x + 4 = 11 + 4 

( x - 2 ) ² = 15 

x - 2 = ±√15 

x = 2 ±√15

I hope this is right or at least close...;)
Answer Link
amirreza688 amirreza688
  • 04-08-2017
use the coefficient of x , divide it by two and square it .
4/2=2
x^2+4x+(4-15)
(x+2)^-15
vertex is (-2,-15)
Answer Link

Otras preguntas

To keep freed black people from voting, Southern state legislatures: gave black people phony ballots reinstated slavery passed black codes instituted poll taxes
What happens to a sample of matter when it's particles lose kinetic energy?
What political tactic led the candidate to victory in the 1896 presidential election? a) debates b) advertisement c) slander d) pay-offs
what is a eogeo shield
Why is the cell theory a theory and not a law?
how many moles of N2 are in a flask with a volume of 250ml at a pressure of 300.0 KPa and a temp of 300.0 K
how and when was the guitar made
definition for SISTER CHROMATID.
Why might some people not have believed Galileo's discoveries?
How do you subtract (5x^3 - 12x^2 + 2x) - (2x^3 - 7x2 + 14)