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Vocabulary
Name that Form
Crossing the Line
Mountain High, or Valley Low
100
Every quadratic equation has a U-shaped graph called this.
What is parabola?
100

x2 - 3x + 1 = 0

What is standard form?
100
Name the x-intercepts. y=2(x-2)(x+6)
What is (2,0) and (-6,0)?
100

Name the vertex y= (x-3)2 +4

What is (3,4)?
200
The highest or lowest point on a parabola.
What is the vertex?
200
y = 2 (x - 5)² + 6
What is vertex form?
200
Name the x-intercepts y=(x)(x-2)
What is (0,0) and (2,0)?
200

Name the vertex   y= (x+1)2 - 8

What is (-1, -8)?
300

The name of the form when a quadratic equation is written as y = ax2 +bx + c

What is the standard form?
300

5x2 + x - 1 = 0

What is standard form?
300

The number of x-intercepts that result when there is one real root.

What is one?
300

Name the vertex     y=(x+4)(x-4) 

What is (0,-16)?
400

This is the number before the x2 that determines whether a parabola opens up or down.

What is the leading coefficient?

OR

What is "a"?

400
y = 2(x-1)(x+7)
What is factored form?
400
The number of x-intercepts that result when there are two complex roots.
What is zero/none?
400

Name the vertex x2 - 4x - 5 = 0

What is (2,-9)?
500
The line that runs through the vertex and divides the parabola into two congruent halves.
What is the axis of symmetry?
500

y = - 1/2 (x + 7)2 - 4

What is vertex form?
500

Name the x-intercepts. y=x2 - 4

What is (-2,0) and (2,0)?

500

Name the vertex 2x2 + 4x - 6 = 0?

What is (-1,-8)?