Vertex from Graph
Vertex from V.F. Equation
Transformations
Stretch/Compress/Reflect
Features of Quadratics
100
What is the vertex of this parabola?
(-1, 0)
100
The vertex of y = x2
What is (0,0)
100
The value k in the vertex form equation for a parabola y = a(x-h)2+k tells you if the graph has moved in what directions
What is Up or Down
100
This variable in the vertex form equation for a parabola f(x) = a(x-h)2+k tells you if the graph is being narrowed, widened, or reflected
a
100
Is the vertex of this quadratic function a maximum or a minimum?
maximum
200
What is the vertex?
(-2, 4)
200
The vertex of y = (x-3)2
What is (3,0)
200
The value h in the vertex form equation for a parabola y = a(x-h)2+k tells you if the graph has moved in what directions
What is left or right
200
We know that a parabola opens downward if 'a' in the formula y=a(x-h)2+k is
What is negative
(Also accept what is less than zero)
200
What is the RANGE of this quadratic function?
y>=-3
300
The vertex of this parabola
What is (-2,-3)
300
The vertex of this equation y = 4(x+2)2
What is (-2,0)
300
The graph of the function y = x2 - 5 is translated how many units and in what direction from the origin?
5 units down
300
Narrower or wider than the parent function?
y = 4x2
Narrower
300
What is the equation of the axis of symmetry of this quadratic function?
x=-1
400
What is the vertex?
(-2, 0)
400
The vertex of this equation y = 3(x-5)2+4
What is (5,4)
400
The graph of the equation y = (x+9)2 is translated how many units and in what direction from the origin
What is left 9 units
400
Narrower or wider than the parent function?
f(x)=0.25x^2
Wider
400
What is the range of this quadratic function?
y>=0
500
What is the vertex of the parent function,
f(x)=x^2
(0,0)
500
The vertex of this equation y = 8(x+5)2+5
What is (-5,5)
500
The graph of y=3(x-3)2 +6 is NARROWER OR WIDER than the parent function?
Narrower
500
Will this graph be wider or narrower than the parent function,
f(x)=x^2
?
f(x)=4/3x^2
read (four thirds times x squared)
Wider
(4/3 is greater than 1!)
500
What is the range of this quadratic function?
y<=4