Unit 3 Review

Simplifying Expressions

100

Simplify the expression 

12x + 3 + 7 - 11x - 1

x+9

200

Simplify the expression 

2(x+4) - 5x

-3x+8

300

Simplify the expression 

5(x-2)-13 + 7x

12x-23

400

Simplify the expression 

-3 -5 -2x -12 -10x

 

-12x-20

500

Simplify

16x + 3 - 4(-10x -6)

56x+27

Like Terms

100

Are these like terms? (yes or no)

3x and 7x

Yes

200

Are these like terms? (yes or no)

2ab, 3ab and 5ab

Yes

300

Are these like terms? (yes or no)

2x² and 2x

No

400

Combine the like terms

3x + 8 - 2x +2

x+10

500

Combine the like terms

3z+4y+5z+6y+9

8z+10y+9

Distributive Property

100

What operation do you use when you distribute?

Addition, subtraction, multiplication, or division

Multiplication 

200

Use the distributive property:

2(x+1)

2x+2

300

Use the distributive property:

4(a+2)

4a+8

400

Use the distributive property:

-3(2x-2)

-6x+6

500

Use the distributive property:

-5(3x+3)

-15x-15

Adding Linear Expressions

100

Add the linear expressions

(x+1) + (x+1)

2x+2

200

Add the linear expressions:

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

7x-11

300

Add the linear expressions:

(x+4)+(9x+2)

10x+6

400

Add the linear expressions:

(-5x-2)+(5x+2)

0

500

Add the linear expressions:

(7x-4)+(3-8x)

-x-1 OR -1x-1

Subtracting Linear Expressions

100

Subtract the linear expressions:

(4x-4)-(3x-7)

x+3

200

Subtract the linear expressions:

(x+2)-(-x+1)

2x+1

300

Subtract the linear expressions:

(3x+6)-(3-7x)

10x+3

400

Subtract the linear expressions:

(x-5)-(3x + 1)

-2x-6

500

Subtract the linear expressions:

(-2x-4)-(-2x-3)

-1