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
VER TODAS LAS RESPUESTAS ( 93+ )
Otras preguntas
The profit P (in thousands of dollars) for an educational publisher can be modeled by P 52b31 5b21b where b is the number of workbooks printed (in thousands). C
what is the length of EF in the right triangle below?
What is cold calling
On Monday while Johnny was getting ready for school, he was in the bathroom holding his comb when he got an itch on his head. Johnny used the comb to rub his it
Conlan wants to answer the question, “Does phosphorus affect tomato fruit production?” Which statement represents a hypothesis that he can test to answer his qu
Which of the following can best be described as an element or compound that cannot be physically separated? A. Matter B. Substance C. Mixture D. Heterogeneous
Social health can be defined as one's ability to argue with others. True or false
Charlie began at his house, ran for 1 mile, and then turned around and ran back home. He drew the graph below to represent his run. What error did Charlie make?
What is the Wt% of SiO2 in augite? (Ca, Fe, Mg, Na)(Mg,Fe,Al) (Si,Al)2 O6
Which expression gives the volume of a sphere with radius 7?
