Unit 2/3 Math 2

Factoring

100

What if the Greatest Common Factor between 8, 12, and 16

4

200

What is the Greatest Common Factor (GCF) between 12x²  and  15x?

3x

300

Factor out the GCF of 

2x^2+6x-18

2(x^2+3x-9)

400

What is the Greatest Common Factor between the following terms: 18x²y, 27xy², and 45x²y²

9xy

500

Factor completely: 

25x^2+75x-100

25(x+4)(x-1)

Basics

100

What point of a function crosses the y-axis?

y-intercept

200

What is the name of the graph of a quadratic?

Parabola

300

The highest or lowest point of a parabola is called the __________.

Vertex

400

These points are referred to as zeros, solutions, and even roots.

x-intercepts

500

Complete the following operations: 

(2-i)(7+2i)

16-3i

Solving Quadratics

100

What is the Discriminant?

b^2-4ac

200

What are the solutions of the following quadratic?

y=(x+2)(x-3)

x=-2 and x=3

300

Solve the following quadratic: 

y=(2x+3)(x-1)

x=-3/2 and x=1

400

What is the domain of the following function

f(x)=x^2+9x-12

(-oo,oo) or -oo<x<oo

500

Solve the following Quadratic: 

x^2-12x+20

x=10 and x=2

More Solving

100

Solve for x: 

x^2=16

x=+-4

200

Solve using Square Root: 

5x^2+3=23

x=+-2

300

What is the range of the following function:

f(x)=2x^2-3x+10

[8.875, oo) or y>=8.875

400

How many real solutions does the following Quadratic have?

y=6x^2+4x-3

2 Real Solutions

500

Use the Quadratic Formula to solve: 

2x^2-7x+12

x=(7+-isqrt47)/4

Quadratics

100

By definition, What is 

sqrt(-1)

i

200

Write the following quadratic in Standard Form:

y=(x-3)(x+8)

y=x^2+5x-24

300

Write the following in Standard Form: 

y=(x-4)^2+5

y=x^2-8x+21

400

Write the following in Vertex Form: 

y=2x^2+12x-7

y=2(x+3)^2-16

500

Solve using the Quadratic Formula: 

y=4x^2-2x+7

x=(1+-3isqrt3)/4