Vocabulary
Crossing the Line
Mountain High, or Valley Low
This Category will result in graph-ic images.
Solving Quadratics
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)?
100

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

What is graph on board?

100

x^2 + 6x + 9 = 25

x = -8, 2

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)?
200
Graph the equation. Must include vertex, and at least one point on each side. y = (x+2)(x-2)
What is graph on board?
200

x^2 + 7x - 30 = 0

x = -10, x = 3

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)?
300
Graph the equation. Must include vertex, and at least one point on each side. y=(x+1)^2 - 2
What is graph on board
300

2x^2 + 5x  = -2

x = -0.5

x = -2

400

When a quadratic equation is written in this form y= a(x-h)^2 + k

What is vertex form

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)?
400
Graph the equation. Must include vertex, and at least one point on each side. y=(x-4)^2 + 3
What is graph on board.
400

Put this function into vertex form:

h(t) = -16t^2 + 128t

h(t) = -16(t - 4)^2 +256

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)?

500
Graph the equation. Must include vertex, and at least one point on each side. -x^2 -6x + 1 = 0
What is graph on board
500

All play - Solve for x and y:

x^2 - 7x + 11 = y - 1

-x = -y - 4

This is is worth 1500 points

(-4, 0) (only one solution)

M
e
n
u