vertex form
Identify the vertex. f(x)=-2(x+3)^2 -4
(-3,-4)
Find the y intercept for f(x)= x^2+6x+9
9 or y=9 or (0,9)
Describe the translation f(x)=-2(0.8x+3)^2 -4
x-axis reflection vertical stretch horizontal stretch left 3 down 4
Find the vertex for f(x)= x^2-2x-3
(1, -4)
Factor. x^2+6x+9
(x+3)(x+3) or (x+3)^2
Identify the axis of symmetry. f(x)=-2(x+3)^2 -4
x = -3
Find the minimum or maximum. f(x)= x^2-2x-3
minimum at -4
Describe the translation f(x)= 0.5(-2x-4)^2 +3
vertical compression horizontal compression y-axis reflection right 4 and up 3
What are the zeros of the quadratic function y = 7(x–11)(x+4)?
11, -4
Factor. 2x^2+x-3
(2x+3)(x-1)
Does the function have a maximum or minimum and find it. f(x)=-2(x+3)^2 -4
max at y =-4
Write the standard form equation for the parabola with x-intercept at (0,-1) and passes through the points(–2 ,–3) and (–4,–1).
0.5x^2+2x-1
Write the vertex form equation for a quadratic function that has been translated 8 units right and 2 units up and has an x-axis reflection.
(x-8)^2 +2
A toy rocket is launched from the top of a 4 foot platform. At 2 seconds it reaches a maximum height of 24 feet and hits the ground in 4 seconds. Find the y-intercept.
4
Solve. x^2+7x-18=0
-9, 2
Find the domain. f(x)=-2(x+3)^2 -4
All Real Numbers
Identify the negative intervals. f(x)= x^2-2x-48
x<-6 or x>8
Write the vertex form equation of the parabola with a vertex at (-1 , 8) and a point at (1 ,0 ).
4(x+1)^2 +8
A toy rocket is launched from the top of a 4 foot platform. At 2 seconds it reaches a maximum height of 24 feet and hits the ground in 4 seconds. Find the quadratic equation to model the path of the rocket
-5.5x^2+21x+4
Daily Double
Fortnite
Find the range. f(x)=-2(x+3)^2 -4
y<-4
A boogie bomb is thrown, and the path of the bomb can be modeled by the function f(x)= -16x^2+64x+16. What is the maximum height?
80 feet
Write the standard form equation of the parabola with a vertex at ( -1, 8) and a point at (1, 0).
4x^2-4x
A boogie bomb is thrown, and the path of the bomb can be modeled by the function f(x)= -16x^2+64x+16. When will it hit the ground? nearest tenth
4.2
Solve. x^2+12x=12 nearest tenth
-12.9, .9