Show:
Quadratic Graphs
Quadratic Properties
Quadratic Functions I
Quadratic Functions II
Functions
100

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

What is 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

What is (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

BONUS

ADD 300 points to your score

200

The shape of the graph of a quadratic function.

What is 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

What is (4, -19)?
200

What is the equation of the axis of symmetry in this function ? 

y = -3x2 - 12

x = 0

400

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

Axis of symmetry?

400

Order the following quadratic functions from narrowest to widest:

y=4x2   y=-12x2   y=11x2   y=-2x2

What is y=-12x2, y=11x2, y=4x2, y=-2x2?

400
What year did Mr. Khawan graduated from ILS?

2016

400

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

Evaluate this function with f(-5):

f(x) = 2x3 + 15x

f(-5) = -325

500

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

The vertex?

500

What is Mr. Khawan top 3 food.  

Arabic, Peruvian and Japanese

500

Find the vertex for the quadratic function: 

y = x2 + 10x + 6

What is (-5, -19)

500

BONUS

Your score resets to 0. Give the other team/s (each) the points you had. 
500

Evaluate this function with f(7):

f(x) = -x2 + 3x

f(7) = -28

600

The domain of a quadratic function

All real #s

600

For :   y = x2 - 6x + 5

a) state the x-intercepts

b) state the vertex

x = 5 and x = 1

Vertex (3, -4)

600

The coordinates of the vertex for this quadratic function:

 y = x2 - 4x + 8

What is (2, 4)?

600

What is the range in this function? 

y = -5x2 +10x + 2

y < 7 <------or -----> (-oo, 7) 

600

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

If the second difference is constant