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

How were the french settlements different from and similar to the Spanish settlements?

A baseball is thrown at an angle of 40.0° above the horizontal. The horizontal component of the baseball’s initial velocity is 12.0 meters per second. What is t

Create a television script for a discovery of the scientific revolution. Include key people, ideas, and achievements

2. Over a four-week period, Gail earned the following commissions? Week 1 $250.00 Week 2 310.00 Week 3 275.00 Week 4 195.00 What was her average weekly commissi

A particle could have a charge of (1) 0.8 × 10^−19 C (3) 3.2 × 10^−19 C (2) 1.2 × 10^−19 C (4) 4.1 × 10^−19 C

a bag of sugar has a mass of 2.2kg what is its weight on earth

Which sentence uses correct punctuation? A. Dad thought we should have hamburgers for the cookout, Mom wanted chicken. B. Dad thought we should have hamburge

Caitlin has a movie rental card worth $175. After she rents the first movie, the card’s value is $172.25. After she rents the second movie, its value is $169.50

What is the purpose of breathing exercises? A. To release adrenaline B. To decrease your sense of awareness C. To release endorphins D. To settle the body and m

why is antibacterial resistance a problem? please help me.