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VOCABULARY
AXIS OF SYMMETRY
VERTEX
Completing the Square
GRAPHS
100
The u-shaped graph shown by a quadratic.
What is a PARABOLA?
100

This is the formula for the axis of symmetry.

What is x = -b/2a ?

100

The vertex of y = 2x2 + 16x - 1 

is this ordered pair.

What is (-4,-33)?

100

What do you add to both sides when you are solving by completing the square?

(b/2)^2

100
A parabola will look like this if a is negative.
What is open downwards with the vertex as a maximum?
200
The line that passes through the vertex and divides a parabola into two symmetric parts.
What is the AXIS OF SYMMETRY?
200

This is the axis of symmetry for the equation 

y = 2x2 + 8x – 5.

What is x = -2?

200

y = 4x2 + 7 has its vertex at this point

What is (0,7)?

200

This is the number that completes the square in the quadratic equation x2 + 8x - 3 = 0

What is 16?

200

The number of times a quadratic function will cross the x-axis if it has two real solutions.

What is two?

300
The lowest or highest point on a parabola.
What is the VERTEX?
300

This is the axis of symmetry for 

y = 3x2 + 6x - 2

What is x = -1?

300

The vertex of y = x2 is this ordered pair.

What is (0,0)?

300

This is the number that completes the square in the equation

 x2 - 22x = -3.

What is 121?

300

The number of times a quadratic function will cross the x-axis if it has no real solutions.

What is zero, none or never?

400

These are three names for the place or places a parabola crosses the x-axis.

What are x-intercepts, roots and zeros?

400

This is the axis of symmetry for y = -4x2 + 3.

What is 0?

400

This point is the vertex of 

y = -3x2 + 18x - 13.

What is (3,14)?

400

Solve by completing the square. 

x²+2x = 8

What is x = x = 2 , x = -4

400

Determine the roots of the following graph.

What are -2 and 1?

500

This is the standard form of a quadratic equation.

What is ax2 + bx + c = 0 ?

500

This is the axis of symmetry for y = -2x2 + 8x + 12.

What is x = 2?

500

The vertex of 

y = -4x2 + 3 is this.

What is (0,3)?

500

Solve by completing the square: x2 + 14x + 24 = 0

x= -2 and x= -12

500

FINAL JEOPARDY: Determine the roots by graphing:

 y = 2x2 - 12x + 16

What are 2 and 4?