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Vocabulary
Name that Form
Quadratic Function II
Factoring Quadratics
Quadratic Function
100

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

What is parabola?

100
x^2 - 3x + 1 = 0
What is standard form?
100

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

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

100

Factor x2+8x+12

(x+6)(x+2)

100

Is the following a quadratic function? Explain why.

f(x) = x3 + x2 -8x

No, because there is x3

200
The highest or lowest point on a parabola.
What is the vertex?
200
y = 2 (x - 5)² + 6
What is Vertex form?
200

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

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

200

Factor m2-11m+18

(m-9)(m-2)

200

What is the axis of symmetry for f(x) = x2 - 8x + 20

x = 4

300
When a quadratic equation is written in this form y = ax^2 +bx + c
What is the standard form?
300

5x^2 + x - 1 = 0

What is standard form?

300

Does the function below have a min or a max?

f(x) = -7x2 - 3x + 12  

max

300

Factor x2-13x-30

(x+2)(x-15)

300

What is a quadratic function in standard form?

f(x) = ax2 + bx + c

400

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

What is the leading coefficient?

400
y = 2(x-1)(x+7)
What is intercept form?
400

What is the difference between a quadratic function and a linear function?

A quadratic function is a u shape while a linear function is a straight line.

400

Factor 2y2-13y-7

(y-7)(2y+1)

400

What are two other names for the x-intercepts on a quadratic function?

roots

zeros

solutions

500

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

What is axis of symmetry?

500

y = - 1/2 (x + 7) - 4

What is vertex form?

500

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

What is None?

500

Factor 3x2-10x+7

(3x-7)(x-1)

500

What is the quadratic formula?

x=