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Vocabulary
Roots
Crossing the Line
Graphing
100
Every quadratic equation has a U-shaped graph called this.
What is parabola?
100

The solutions to the equations y=(x+1)(x+1).

What is (-1,0)?

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

Graph the quadratic y=x2+4.

Show graph

200
The highest or lowest point on a parabola.
What is the vertex?
200

The roots of the quadratic y=(x-2)(x-3)?

What is (2,0) and (3,0)?

200
Name the x-intercepts Y=(x)(x-2)
What is (0,0) and (2,0)?
200

Graph the equation. Must include vertex, and at least one point on each side. y=(x-5)(x-1)

What is graph on board?

300

This is the name for the points that cross the x-axis (not x-intercepts).

What is the roots or solutions?

300

The x-intercepts of the graph y=(x-15)(x+2)?

What is (15,0) and (-2,0)?

300

Name the x-intercept(s) for y=x2 - 4

What is (-2,0) and (2,0)?  "Difference of Squares"

300
Graph the equation. Must include vertex, and at least one point on each side. y = (x+2)(x-2)
What is graph on board?
400

This is the name of the number before the x2 or before the x term.

What is the coefficient?

400

The solutions to the quadratic y = 2(x-1)(x+7)

What is (1,0) and (-7,0)?

400

Name the y-intercept for y=3(x+1)(x-2)?

What is (0,-6)?

400

The axis of Symmetry of the graph y=(x-1)(x+2).

What is x=-1/2?
500

When a quadratic equation is written in this form y = ax2 +bx + c

What is the standard form?

500

The graph of the quadratic that has the roots (-1,0) and (2,0)?

What is y=(x+1)(x-2)?

500

Name the x-intercepts of y= x2+4?

What is None?

500

The vertex and y-intercept of y=2(x-2)(x+3).

What is (-1/2, -25/2) and (0, -12)? or What is (-0.5, -12/5) and (0,-12)?