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

Which cell part converts food into energy that is usable by a cell?
florence has only $420 in her hank account. describe how to find the amount after she writes a check for $590
2x-y=-63x-4y=-4Solve using elimination and then substitution
Kenji buys 3 yards of fabric for $7.47. Then he realizes that he needs 2 more yards. How much will the extra fabric cost?
write the value of the dijit 5 in 657
what are three physical properties of aluminum foil
There are 30 students in a class that took a test. The average grade of 10 students was 80. The other 20 students average was 89. What is the overall average fo
What is the function of the bumpy pads on a Tasmanian devil paws
how many atoms in C9H8O4
What is the function of the bumpy pads on a Tasmanian devil paws