Unit 4~Expressions

Adding Expressions

100

Combine like terms:

 5x + 7 + 2x - 3 

7x + 4

200

Combine like terms: 

-6x - 8 - 4x + 4

-10x - 4  

300

Combine like terms: 

10x²+ 5x² + 32y -8 + 2y 

15x² + 34y - 8

400

Simplify the expression by adding the expressions: 

6x²y - 10xy -2y + 5x²y+ 4.5xy - 6y +2 

11x²y - 5.5xy - 8y + 2

500

Simplify the expression by adding the expressions: 

7x² - 6x + 8x² - 4x + 7x -2 

15x² + 3x - 2

Subtracting Expressions

100

Combine like terms:

 3x + 8 - 2x -5 

x + 3

200

Combine like terms:

 7x + 8 - 4x - 3 

3x + 5

300

Combine like terms:

 13x² + 15x - 7 - 10x² -10x 

3x² + 5x -7

400

Combine like terms:

 4x  - 4x + 10

10 

500

Combine like terms:

  3x +8 - 8 + 7x + x

11x

Distributive Property

100

Simplify the following expression by distributing:

 4(3xy + 3)  

12xy+12

200

Simplify the following expression by distributive property:

-5(3x² - 8y - 3) 

15x² +40y +15

300

Simplify the following expression by distributive property and the combine like terms:

3(-2x²z - 4r² + 7) - 5 

-6x²z -  12r² + 16

400

Simplify the following expression by distributing and adding/subtracting the following expressions: 

5(3x+4) -(8x + 7)

7x + 13

500

Catch the mistake: 5(x + 10) - (0.5x -4)

SHOULD BE: 4.5x+54

Could be Anything

100

The coefficient of the expression: 3x + 7

3

200

The constant in the expression: 5y²+3x³ - 3x-7 

-7

300

How many terms in this expression: 7x - 5 - 3x + 8 - 3y

5

400

Simplify the following expressions: 3x + 9 + 4y + 8 + 3y

7y + 3x + 17

500

Simplify the following expressions: 0.75g + 2g + 0.5g 

3.25g 

RANDOM

100

What is a variable? 

A letter that represents a number

200

Factor the following expression:

15xyz + 5x²2y-30yz

5y(3xz + x²-6z)

300

What town did Mr. Stuttgen grow up in?

Fall Creek

400

Factor the following expression:

24x³ + 42x²-12x

6x(4x² + 7x-2)

500

What is a dodecagon?

A polygon with 12 sides.