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 ( 76+ )
Otras preguntas
The primary symptoms of _________________ are muscular rigidity, slowness of movement, a resting tremor, and postural instability
How did the Resistance help the Anne frank family
How does the mass per nucleon of an element change as the atomic number increases?
Glycogen is defined as a storage form of glucose, manufactured and stored in the body’s?
Need this quick ! Correct answers appreciated (Selected answer is not known to be correct it just won’t let me un select an answer)
the tiles to show which arguments are made in support of photo ID laws and which are made in opposition to them? Photo IDs have multiple security features that
At 3:00 PM a man 138 cm tall casts a shadow 149 cm long. At the same time, a tall building nearby casts a shadow 163 m long. How tall is the building?
Triangle ABC has been rotated 90° to create triangle DEF. Using the image below, prove that lines BC and EF have the opposite and reciprocal slopes. You must sh
Write a paragraph of about 100 words explaining some of the problems you face when you listen to a lecture.
Find the critical value. Assume that the test is two -tailed and that n denotes the number of pairs of data. n = 20, α = 0.01 A) -0.570 B) 0.570 C) +0.447 D) +0