Unit 5 review 1-Linear expressions BLOCK 4

Combine like terms

100

Simplify 

5x - 2y + 7x + 3y

12x + y

200

Simplify:

-5x + y - 2x - 8y

-7x - 7y

300

Simplify:

6x + 24 + 4x - 10

10x + 14

400

Simplify

6x - 14 + 8x - 4

14x - 18

500

Simplify

12x + 3y + 2x + 5y

14x + 8y

Properties

100

ID the property

4x + 2y = 2y + 4x

Commutative

200

ID the property

AB = BA

Commutative

300

ID the property

8(3 + 4x) = 8(3) + 8(4x)

Distributive

400

ID the property

2 + (3 + 4) = (2 + 3) + 4

Associative

500

ID the property

9 + 30 = 3(3 + 10)

Distributive

Evaluate

100

Evaluate for x = 3 and y = -4

5x - 2y

23

200

Evaluate for x = 2

3x² - 11

1

300

Evaluate for x = 5 and y = 2

9 - 2x + 4y

7

400

Evaluate for x = 7

(x^2+1)/(2x+6)

2.5

500

Evaluate for x = -3

2x² + 7x - 4

-7

Hodge-podge 0ne

100

How many terms in the expression?

3x + 8y - 12w

3

200

A rectangle's width is 3x - 4 and its length is 8x + 3.  Write the rectangle's perimeter in simplest form.

22x - 2

300

Simplify

9(4x - 2) - (12x - 7)

24x - 11

400

What is the coefficient of the third term?

2x^2+7y^5+(w^8)/9-3

1/9

500

Identify the property

7 + (x + 48) = (7 + x) + 48

Associative

Hodge-podge Two

100

Simplify:

12x + 28 - 10x - 12

2x + 16

200

Evaluate for x = 5

4x²+ 11x

155

300

Simplify

8x + 20 + 5x + 7

13x + 27

400

Completely factor

30x + 18

6(5x + 3)

500

Simplify

-7(-3x + 8)

21x - 56