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VOCABULARY
AXIS OF SYMMETRY
VERTEX
FACOTOR & SOLVE QUADRATICS
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 or x = h?

100

The vertex of y = 2x2 + 16x - 1 is this ordered pair.

What is (-4,-33)?

100

The solutions of x2 + 4x = 0 are...

What are -4 and 0?

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

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

What are 1 and -3?

200
Identify the vertex of the following graph.
What is (4,0)?
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

What are the root(s) of x2 + 8x + 16 = 0.

What is -4?

300
Identify the axis of symmetry of the following graph.
What is x=2?
400

These are four (4) names for the place or places a parabola crosses the x-axis.

What are x-intercepts, solutions, roots and zeros?

400

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

What is x = 0?

400

This point is the vertex of y = -3x2 + 18x - 13.

What is (3,14)?

400

The factors of the equation x2 - 25 = 0.

What are (x-5)(x+5)?

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 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

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

What are (x+3)(x-7)?

500

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

What are 2 and 4?