Unit 4 Review

Multi-Step Equations

100

x - 3 = 5. Solve for x.

x = 8

200

2y + 4 = 8. Solve for y.

y = 2

300

2(x + 1) = 12. Solve for x.

x = 5

400

6(c - 3) = 42. Solve for c.

c = 10

500

8(2x - 5) = 72

x = 7

Simplifying Expressions

100

Simplify this expression:

2x - 3 + 2 + 4x

6x - 1 or -1 + 6x

200

Simplify this expression:

3y - 1y + 4y + 2 - 1y

5y + 2

300

Simplify this expression:

12x - 5 - 15x + 11

-3x + 6

400

Simplify:

9m² + 4m - 2m² + 7 - 6m

7m² - 2m + 7

500

Simplify:

2(3a + 4b) - 3(a - 2b)

3a + 14b

Factoring

100

Factor the expression: 3x + 9

3(x + 3)

200

Factor the expression: 10y - 15

5(2y - 3)

300

Factor the expression: 12x + 18y

6(2x + 3y)

400

Factor: 14w + 49

7(2w + 7)

500

Factor: 18a - 24b

6(3a - 4b)

Distributive Property

100

Distribute: 5(x + 4)

5x + 20

200

Distribute: 3(2y - 6)

6y - 18

300

Distribute: -2(4k + 7)

-8k - 14

400

Distribute: -(3x - 10)

-3x + 10

500

Distribute: 1/4(12x - 8)

3x - 2

Random (anything can be asked)

100

How many days are there until Christmas?

7 days

200

What number do we use instead of the pi symbol when finding approximate area/circumference of a circle?

3.14

300

How many months have 28 days?

12

400

When is Mr. Farr's birthday?

March 18th

500

What is the term for a number that is divisible only by 1 and itself?

Prime number