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VOCABULARY
Complete the Square
SOLVE QUADRATICS BY FACTORING
GRAPHS
Simplifying Roots
100
The u-shaped graph shown by a quadratic.
What is a PARABOLA?
100

y = x2 + 16x=1

What is (x+8)2 = 65

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?
100

Simplify the square root of 90

What is 3 square roots of 10?

200
The line that passes through the vertex and divides a parabola into two symmetric parts.
What is the AXIS OF SYMMETRY?
200

y = x2 - 6x = 5

What is (x-3)2 = 14?

200

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

What are -5 and 5?

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

Simplify the square root of 120

What is 2 square roots of 30?

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

x2 - 4x +50 = 2

What is (x-2)2 = -44?

300

Solve: x2 + 8x + 16 = 0.

What is -4?

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

Simplify the square root of 200

What is 10 square roots of 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

x2 -14x + 2 =0

(x-7)2 = 47

400

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

What are 1 and -3?

400
Determine the roots of the following graph.
What are -2 and 1?
400

Simplify the square root of 45

What is 3 square roots of 5?

500

This is the standard form of a quadratic equation.

What is ax^2 + bx + c = 0 ?

500

x2 + 18x + 1 = -3

(x+9)2 = 77

500

Solve: x2 + 4x = 0

What are -4 and 0?

500
FINAL JEOPARDY: Determine the roots by graphing: y = 2x^2 - 12x + 16
What are 2 and 4?
500

Simplify the square root of 162

What is 9 square roots of 2?