Unit 2: Expressions

Combine Like Terms

100

Simplify the Expression:

3x - 2y - 5x

-2x - 2y

200

Simplify the Expression:

-4 - 8x + 2x - 15

-6x - 19

300

Simplify the Expression:

6a + 5b - b - 5b + 2a

13a - 6b

400

Simplify the Expression:

5c - 2b + 3 + 5b - 2c - 1/2

3b + 3c + 2 1/2

500

Simplify the Expression:

4x² - 4x + 3y - 5 + 3x² - 5x

7x² - 9x + 3y - 5

Exponent Rules

100

What should I do when I ______ exponents?

Multiply: ________

Divide: _______

Distribute: ________

Add, Subtract, Multiply

200

10x²y times 4x²y

40x⁴y²

300

Simplify the Expression:

**All exponents should be positive**

(5m²n^-3)(-6m⁴n^-2)

-30m⁶/n⁵

400

15a²b¹⁰ / 18 a⁴b⁵

5b¹⁰/6a²

500

(-6a³b⁷)² / 4a⁵b³

9ab¹¹

Distributive Property

100

Simplify the Expression:

2 (w - 8)

2w - 16

200

Simplify the Expression:

-3(-4x + 5 - 3)

12x - 6

300

Simplify the Expression:

8(p + 1) - 13p + 9

-5p + 17

400

Simplify the Expression:

4(x + 6) - 2(3x - 5) + 2x

34

500

Simplify the Expression:

-3(x² + 5x - 3) + 5(2x² - 4x + 6) + 3

7x² - 35x + 42

Factoring

100

Simplify the Expression by Factoring:

9x - 63

9 (x - 7)

200

Simplify the Expression by Factoring:

32c - 48

16 (2c - 3)

300

Simplify then Factor:

-7 - 9n + 14n + 2

5(n - 1)

400

Simplify then Factor:

26x - 2(3x + 4y) - 10y

2(10x-9y)

500

Simplify then Factor:

2x² - 3x + 4x² - 5x + 4

2(3x² - 4x + 2)

Scientific Notation

100

Change to Scientific Notation:

1. 345 x 10⁵

2. 345 x 10^-5

1. 34,500,000

2. 0.00345

200

(10 x 10^-4) / (2 x 10^-2)

5 x 10^-2

300

(4 x 10⁵)(8 x 10^-2)

3.2 x 10⁴

400

(4.5 x 10^-6) + (9.2 x 10^-7)

5.42 x 10^-6

500

(3.1 x 10⁶) - (4.7 x 10⁴)

3.053 x 10⁶