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

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

the number of moles in 2.93 g of Li2O in corrext sig figs

The diagram displays the copying of a DNA sequence from a gene before and after the copy is made. The * represents an error that was made. Identify what this er

A line passes through (8,2) and (11,-13) write the equation of thr line in standerd form

Please help me I can’t figure it out

The force of 10N acts on a body of mass 2kg for a distance of 1m . The kinetic energy acquired by the body is

ASAP!!! can someone please come up with an agility based fitness test

Attention to the environmental forces that create, contribute to, and address problems in living is not fundamental to social work.

Question 1 of 20 : Select the best answer for the question. 1. Which one of the following is an example of seclusion? IS O A. Asking parents to come into the bu

the term "forensic science" refers to a practical knowledge of criminal law. true or false

2.58 For each element, give the following information: [1] total number of electrons; [2] group number; [3] number of valence electrons; [4] period; [5] number