Unit 1 Algebra Review

Combining Like Terms

100

Simplify the expression

2x+1-x+2

x+3

200

Simplify the expression

x+x+2-14x

-12x+2

300

Simplify the expression

4x+2y-1x+12-10

3x+2y+2

400

Simplify the expression

10x-3y+2+5x-7y+8

15x-10y+10

500

Simplify the expression

3x² -2x+4+4x

3x²+2x+4

Vocabulary

100

Parts of an expression separated by addition or subtraction

Term

200

A number multiplied by a variable in an algebraic expression.

Coefficient

300

A letter used to represent an unknown value

Variable

400

A mathematical phrase that contains operations, numbers, and/or variables. Does not contain =

Algebraic Expression

500

A value that does not change

Constant

Evaluating Expressions

100

Evaluate when x=4

3x-2

10

200

Evaluate when x=2

5x+10

20

300

Evaluate when x=2 and y=1

3x-5y

1

400

Evaluate when x=3 and y=2

6x-2+2y

20

500

Distribute and Evaluate when x=2 and y=3

2(x-y)

-2

Distribution

100

Distribute

3(x+2)

3x+6

200

Distribute

2(2x-10)

4x-20

300

Distribute

10(3x-2y+5)

30x-20y+50

400

Distribute

3(2x+3y+6)

6x+9y+18

500

Distribute

2.5(3x+.5y-1)

7.5x+1.25y-2.5

PEMDAS

100

PEMDAS means

Parenthesis, Exponents, Multiply/Divide, Add/Subtract

200

Calculate the following

3(1+2)-6

3

300

Using PEMDAS Calculate the following

3(14-2)+7

43

400

Calculate

10-2*6+3

1

500

Calculate

2*3(14/2 +10/5)

54