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Graphs
Characteristic
Quadratic Functions I
Quadratic Functions II
Functions
100

How many zeros (x-intercepts) can a quadratic function have?

2, 1, or none

100

The value of "a" for a graph of a quadratic function opening downward.

negative

100

The coordinates of the y-intercept for the quadratic function: 

y=-2x2 + 5x - 7

(0,-7)

100

If the x-intercepts of a function are x = 6 and x=12, what is the Axis of Symmetry (x-value of the vertex)?

x = 9

100

is y = x2 - 8x - 3 a function?

Yes 

200

The shape of the graph of a quadratic function.

a parabola

200

The vertex of the quadratic function y = 5x2 + 10x - 2 is a ____________________ point.

minimum

200

Find the zeros (x-intercepts) of the following: 

y = x2 - 8x - 20

x = 10 and x = -2

200

The vertex for this quadratic function:

y = x2 - 8x - 3

(4, -19)

200

Evaluate this function with f(2):

f(x) = 3x2 + 2x - 16

f(2) = 0

300

The name of the line that divides a quadratic function exactly in half.

axis of symmetry

300

Order the following quadratic functions from narrowest to widest:

y=4x2   y=-12x2   y=11x2   y=-2x2

y=-12x2, y=11x2, y=4x2, y=-2x2

300

Characteristic of the parabola when the a value is between 0 and 1.

opens upward and is wide
300

The coordinates of the y-intercept and x-intercepts for the quadratic function: 

y=3x2 + 2x - 1

y-intercept (0, -1) and x-intercepts (-1, 0) & (0.33, 0)

300

Evaluate this function with f(-5):

f(x) = 2x3 + 15x

f(-5) = -325

400

The name of the point on a quadratic function that will be the maximum or minimum of the function.

vertex

400

Order the following quadratic functions from widest to narrowest:

y=4x2   y=2/3 x2   y=-2x2   y= x2

y=2/3 x2, y= x2, y=-2x2, y=4x2

400

Find the vertex for the quadratic function: 

y = x2 + 10x + 6

(-5, -19)

400

vertex form of a quadratic function

f(x) = a(x - h)2 + k

400

Evaluate this function with f(7):

f(x) = -x2 + 3x

f(7) = -28

500

All x-values used in a function

domain

500

For :   y = x2 - 6x + 5

a) state the x-intercepts

b) state the vertex

x = 5 and x = 1

Vertex (3, -4)

500

The coordinates of the vertex for this quadratic function:

 y = x2 - 4x + 8

(2, 4)

500

value/s of the variable that makes a quadratic equation true

roots/solutions

500

How do you know if a table of values is a function or not?

If each input (x-value) has only one output (y-value), then it is a function