BryanLozano BryanLozano
  • 21-09-2017
  • Mathematics
contestada

A parabola y=1/2x^2-4x+21 can you help me find the vertex form of this parabola please and thank you :)

Respuesta :

Аноним Аноним
  • 23-09-2017
Ok 
First factor out the first 2 terms as follows:-

y  = 1/2(x^2 - 8x) + 21

Now complete the square on x^2 - 8x:-

y = 1/2[ (x - 4)^2 - 16] + 21

y = 1/2(x - 4)^2 - 8 + 21

y = 1/2(x - 4)^2 + 13   Answer


Answer Link

Otras preguntas

Can anyone help me solve this algebra porblem? -4 2/3=2n/3+1/3+n/3 Negative four and two thirds equals two "n" over three plus one over three plus "n" over thre
6.___He journeyed to the court of the great Kublai Khan, returning to Europe after seventeen years.
1 pound = 100 penny = 10 penny x 10 penny = 1/10 pound x 1/10 pound = 1/100 pound = 1 penny => 1 pound = 1 penny How is this possible if 1 pound = 100 pen
“What does it mean when we “rework” copyrighted material?”
in a 4*100m relay race,tota track length is 200m and time taken by one particular group is 50.2sec. ehat is the average speed and average velocity of that group
did dinosaurs really have brains in their tails?
are cockroaches active during the day?
1/6 of a ship's crew are engineers, 1/4 are stewards and the rest are soldiers. if there are 48 crew members in all, how many sailors are on the board of the sh
Describe and explain how petrol is separated from the mixture of hydrocarbons in crude oil?
How do you multiply 5/12 times 2/9?