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

15 POINTS -1883: Pendleton Act passed -1887: Interstate Commerce Act passed -1890: Sherman Anti-Trust Act passed This legislation reflects the government's at

6. A surf board rental company charges$25 for the first hour and $10 for eachadditional hour. Which equation could besolved to find the number, x, ofadditional

This week laptops are 25% off. If a laptop costs $340, what is its sale price?

Dans ce devoir vous allez écrire sur votre routine journalière et la routine journalière d'un(e) ami(e). Utilisez ce que vous avez appris dans cette leçon pour

What was Reagan‘s strategy in dealing with the Soviet union? A. End of the Cold War and start a nuclear war with the Soviet Union B. Speak out on the dangers of

HELP!!! This Venn diagram shows sports played by 10 students . Let event A = The students plays basketball . Let event B = The student plays soccer . What i

doris tiene en su cartera billetes de $10 y de $20.si en total tienen 25 billetes y $330 ¿cuantos billetes tiene cada uno?

Throughout the years,most presidents have used the armed forces without a declaration of war.many people argue that this is A. Constitutional B. An expressed p

write 9/5 as a sum of unit fractions

NEED HELP ASAP!!!! What are two ways Montesquieu inuenced the “founding fathers”