sandiredd sandiredd
  • 22-07-2014
  • Mathematics
contestada

what is the equation of a parabola whose vertex is (-4,7) and whose graph is 1/2 as wide as y=x^2

Relax

Respuesta :

Аноним Аноним
  • 22-07-2014
[tex]The\ vertex\ form:y=a(x-h)^2+k\\\\vertex\ (h;\ k)\to(-4;\ 7)\\\\then:y=a[x-(-4)]^2+7=a(x+4)^2+7\\\\graph\ is\ half\ as\ wide\ as\ y=x^2\ then\ a=2\\\\Answer:y=2(x+4)^2+7\\\\y=2(x^2+8x+16)+7=2x^2+16x+39[/tex]
Answer Link

Otras preguntas

What is the surface are of the cylinder with a height 7ft and radius 3ft?
In Their Eyes Were Watching God, Janie's character development constitutes the _____ of the novel. climax discourse resolution subtext can someone please find t
How would radiation occur in space?
I have been stuck on this question for a while(NO SPAMMING IT IS ANNOYING)The formula used to find the area of a circle is πr² (π=pi). What is the area of a cir
what does the word musses mean?
What limitations did the NAFTA place on the United States?
He had only gone a few steps when he heard some one calling him from behind. On turning back he was much surprised to see that the monster dragon had entirely d
what is glue made up of
PLS HELPP I GIVE BRAIN LEST I PROMISE!!!!!!!!!!!!!!!!!!!!!!!!!!
is red sus (the red astronaut with the red suit)?