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VOCABULARY
AXIS OF SYMMETRY
VERTEX
SOLVE QUADRATICS BY FACTORING
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

The roots of f(x)= x2 - 4x - 21 are these numbers.

What are -3 and 7?

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

These are the solutions to the equation x2 - 25 = 0.

What are -5 and 5?

200

Identify the vertex of the following graph.

y = x 2 − 2x − 5

What is (1,-6)?

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 = x^2 is this ordered pair.
What is (0,0)?
300

Solve: x2 + 8x + 16 = 0.

What is -4?

300

Identify the axis of symmetry of the following graph.

 y = x2 - 4x + 3

What is x=2?

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

The zeros of 2x2 + 4x - 6 = 0 are these.

What are 1 and -3?

400

Determine the root(s) of the following graph.

 x2 +4x + 4 

What is -2 ?

500
This is the standard form of a quadratic equation.
What is ax^2 + 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: x2 + 4x = 0

What are -4 and 0?

500

FINAL JEOPARDY: Determine the roots by graphing: y = 2x2 - 12x + 16

What are 2 and 4?