Factoring
Which Way?
Vocabulary
Axis of Symmetry
Eye See You!
100

The factor pairs of

x^2-x-12


What are

(x-4)(x+3)


100

Describe how this parabola might look:

y=3x^2-6x+4


What is "Open at the top; vertex on the bottom"

100

Another name for the "root" of a quadratic equation

What is

Zero 

(or x-intercept, or solution)

100

The axis of symmetry of

x^2-4x+5

What is +2?

100

The value of  i15

-i  or i^3

200

The factor pairs of

x^2-8x+15

What are  

(x-5)(x-3)

200

Describe the location of the vertex 

 

Where is "at the top"; or "it's a maximum"

200

The place a quadratic (or linear) function crosses the y-axis

What is

y-intercept

200

The axis of symmetry of

 y=2x^2-6x-15 

What is 

3/2

 

200

The value of  i34

-1  or i^2

300

The factor pairs of

x^2-4x+3

What are 

(x-1)(x-3)

300

Identify where we can find the axis of symmetry 

Where is "a vertical line passing through the vertex, dividing the parabola in 2 equal parts"

300

The "turning point" of a parabola 

What is the "vertex"?

300

The axis of symmetry of

y=3x^2-2x+4

What is

+1/3?

300

The value of  i52

1  or i^4

400

The factor pairs of

x^2+2x-24

What are 

(x+6)(x-4))

400

Describe how this parabola might look:

y=-x^2-6x+4

An upside-down granola bowl (or ice cream cone) 

400

The shape described by a quadratic equation.

What is

"parabola"?

400

The axis of symmetry of

y=-4x^2+2x+5

What is +1/8?

400

The value of 

sqrt(-1)*sqrt(-1)

-1

500

The factor pairs of

x^2+3x-18

What are 

(x+6)(x-3)

500

The location of the real roots (or root) of a parabola.

What is: 

where the parabola crosses the x-axis. 

500

When the quadratic equation has a positive x2  term, the shape a parabola will take.


What is open-at-the top, or ice cream cone shape.


500

The axis of symmetry of

y=-2x^2+4x+5

What is +1?

500

The value of i243

-i or i^3 or -sqrt(-1)