Graphing Quadratic Functions

Vocabulary

100

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

What is parabola?

200

The highest or lowest point on a parabola.

What is the vertex?

300

When a quadratic equation is written in this form y = ax^2 +bx + c

What is the standard form?

400

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

What is the leading coefficient?

500

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

What is axis of symmetry?

Crossing the Line

100

Name the x-intercepts. y=2(x-2)(x+6)

What is (2,0) and (-6,0)?

200

Name the x-intercepts Y=(x)(x-2)

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

300

Name the x-intercepts. y=x^2 - 4

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

400

Name the x-intercepts y=x^2 - x - 2

What is (-1,0) and (2,0)?

500

Name the x-intercepts. y= (x-1)^2 + 1

What is None?

Mountain High, or Valley Low

100

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

What is (3,4)?

200

y= (x+1)^2 - 8

What is (-1, -8)?

300

y=(x+4)(x-4)

What is (0,-16)?

400

Name the vertex x^2 - 4x - 5 = 0

What is (2,-9)?

500

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

What is (-1,-8)?