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 ( 58+ )
Otras preguntas
Which property of equality justifies the following statement? "If y-4= 6 then y= 10" A. Addition property of equality B. Multiplication property of equality C.
The slope of a line passing through H(-2, 5) is -¾. Which ordered pair represents a point on this line? (6, -1) (2, 8) (-5, 1) (1, 1)
how may terms are in the simplified expression -3x2+2y2+5xy-2y+5x2-3y2
Which function is a quadratic function
What are types of academic writing
(05.01)Miller has a painting that is 4 ft by 8 ft. What will the dimensions of the painting be if he scales it down by a factor of one-fourth ?
Evelyn is making a candy that contains 25% dark chocolate and the rest milk chocolate. The candy has 3 pounds of milk chocolate. Part A: Write an equation usin
synthesizing the information presented on both of these maps would lead the historian to reach which of the following conclusions
How does the recurring theme "Never shame your ancestors" in King Wen is on High relate to the conflict in A Very Handsome Gentleman?
(a) a light-rail commuter train accelerates at a rate of 1.15 m/s2. how long does it take it to reach its top speed of 80.0 km/h starting from rest?
