funderburk41 funderburk41

03-10-2016
Mathematics

contestada

vertex form of
y=x^2-4x-9

Respuesta :

apologiabiology apologiabiology

03-10-2016

complete the square
first isolate x terms
y=(x^2-4x)-9
complete square inside (take 1/2 of square of b )
-4/2=-2, (-2)^2=4
add 4-4 inside
y=(x^2-4x+4-4)-9
complete the square
y=((x-2)^2-4)-9
y=(x-2)^2-4-9
y=(x-2)^2-13

Answer Link

Otras preguntas

To live comfortably in retirement, you decide you will need to save $2 million by the time you are 65 (you are 30 years old today). You will start a new retirem

For trade to be the most successful, it needs to benefit. smaller nations half of the nations everyone

If the function m(x) has the point (5, 2) on its graph name a point that would be on the function m(5x). (1, 2) (10, 2) (5, 10) (25, 2)

The Divje Babe flute was made from what material? Bone Wood Stone Reeds

When using a NUMBERED list, you do not have to number each item. HTML automatically numbers each item in the order the items are listed."TrueFalse

Amendments 24 and 26 expanded the right to vote, bringing the nation closer to its democratic values. Explain how each expanded the right to vote.

For an experiment to produce useful data, what must happen? A. It must be repeated several times. B. It must be published in a famous journal. C. It must be per

Answer the following in a complete sentence: What freedoms do we take for granted in the United States? Do you think we have too much freedom? Explain your answ

During a sale at the market, steaks sold for $2 and watermelons sold for $1.50. Jan spent $17 and bought a total of 10 steaks and watermelons. How many of e

which two legal factors supported and created segregation in the united states