Vocabulary
Crossing the Line
Mountain High, or Valley Low
100

Every quadratic equation has a U-shaped graph called this.

What is parabola?

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
Name the x-intercepts Y=(x)(x-2)
What is (0,0) and (2,0)?
200
y= (x+1)^2 - 8
What is (-1, -8)?
300
When a quadratic equation is written in this form y = ax^2 +bx + c
What is the standard form?
300
Name the x-intercepts. y=x^2 - 4
What is (-2,0) and (2,0)?
300
y=(x+4)(x-4)
What is (0,-16)?
400

This is the number before the x^2 that determines whether a parabola opens up or down.

What is the leading coefficient?

400
Name the x-intercepts y=x^2 - x - 2
What is (-1,0) and (2,0)?
400
Name the vertex x^2 - 4x - 5 = 0
What is (2,-9)?
500

The line that runs through the vertex and divides the parabola in half.

What is axis of symmetry?

500
Name the x-intercepts. y= (x-1)^2 + 1
What is None?
500

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

What is (-1,-8)?

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