UB Final Review Alg 2

Properties/Real Numbers

100

14 x 1 = 14

Multiplicative Identity

200

This is an example of an irrational number.

What is pi?

300

(3x+2)+5 = (2+3x)+5

Commutative

400

All of these are classifications of 

10/2

What are: real, integer, rational, natural, whole?

500

(4z)/1 * 1/(4z) =

Multiplicative Inverse

Simplify

100

12 - [3 - (4 - 5)]

8

200

(-1)^5(-3 - 4)(-3)(-5)

105

300

5(x-3) - 3(x-5)

2x

400

-3(x+y)+6(x+y)

3x+3y

500

(3x+7y-3)+2(x-3y+4)

5x+y+5

Solving Equations

100

5x+4=19

x=3

200

5x=18+2x

x=6

300

-(5-x)=2x+3

x=-8

400

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

x=-4

500

(6x-2(x-4))/3=8

x=4

Solving Quadratics

100

When factoring, this is what you should check for first.

What is GCF?

200

Solve; 

x^2-100=0

{10, -10}

300

DOUBLE JEOPARDY

Solve;

3x^2+6x-24=0

{-4, 2}

400

Solve;

3(x-2)^2=48

{6, -2}

500

Solve;

2x^2-9x-65=x^2-x

{-5, 13}

Standard/Slope-Intercept Form/Functions

100

The 'b' stands for ___ and the 'm' stands for ____ in slope intercept form.

What is y-intercept and slope?

200

This is an example of a line that is perpendicular to y=2.

What is x=#?

300

How can you tell on a graph that a relation is a function?

If each x-value has a different y-value (or essentially the vertical line test)

400

The standard form of

6y=-2x+24

is written as: 

What is 

x+3y=12

500

These three things are requirements when writing an equation in standard form:

What is:

'A' is positive

GCF of A,B,C is 1

A,B,C are integers