Quadratic Functions Review-Ms. T

Quadratic Graphs

100

Where do you find the x-intercept? 

What is the x-axis?

200

Where is the y-intercept located?

What is the y-axis?

300

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

What is the axis of symmetry?

400

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

What is the vertex?

500

The shape of the graph of a quadratic function.

What is a parabola?

Quadratic Properties

100

The axis of symmetry is found on the ___ - axis. 

What is x?

200

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

What is minimum?

300

Which function is the most narrow (Slim)? 

y=4x²   y=-12x²   y=-9x²   

What is y=-12x²

400

Which function is the widest? 

 y=-2x²  y=4x²   y= x²

What is  y= x²

500

For :   y = x² - 6x + 5

a) state the x-intercepts

b) state the vertex

x = 5 and x = 1

Vertex (3, -4)

Quadratic Functions I

100

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

y=-2x² + 5x - 7

What is (0,-7)?

200

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

y = x² - 8x - 20

x = 10 and x = -2

300

Find the axis of symmetry for the function: 

y=x²+4x+7 

What is -2?

400

Find the vertex for the quadratic function: 

y = x² + 10x + 6

What is (-5, -19)

500

The coordinates of the vertex for this quadratic function:

 y = x² - 4x + 8

What is (2, 4)?

Quadratic Functions II

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

200

The vertex for this quadratic function:

y = x² - 8x - 3

What is (4, -19)?

300

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

y=3x² + 2x - 1

What is y-intercept (0, -1) and x-intercepts (-1, 0) (0.33, 0)?

400

The y-intercept, x-intercepts, and vertex for this quadratic function: 

y = -4.9x² +16.4x + 1

What is: 

y-intercept y=1

x-intercepts x=-0.06 and 3.4

the vertex (1.7, 14.7)?

500

y = -5x² +10x + 2

Vertex: (1, 7)

A of S: h = 1

Stretched by 5

x-intercepts: (-0.18, 0) (2.18, 0)

y-intercept: (0, 2)

Comparing

100

Which function has the lowest vertex?

a. 2x²+3x

b. x²+x+1

What is A

200

Which Maximum is higher? 

y=-4x²+4 or y=-10x²+3

y=-4x²+4

300

The vertex in graph a is 9. The vertex in graph b is 11. Graph ___ has the highest value. 

B

400

The y-intercept of this parabola is

f(x) = -x² + 3x

0

500

When comparing the vertex you are looking at the __________. 

y-value