Review (Intro Algebra)

Algebraic Vocabulary

100

Is this an expression or an equation:

3x - 4 + 6y - 8y²

Expression

200

3x - 4 + 6y - 8y²

^{How many terms are there in the expression?}

4

300

3x - 4 + 6y - 8y²

^{What are the variables in this expression?}

x, y, y²

400

3x - 4 + 6y - 8y²

^{What are the coefficients in the expression?}

3, 6, -8

500

3x - 4 + 6y - 8y²

^{What are the constants in the expression?}

-4

Distribution

100

4(x + 2)

4x + 8

200

-12(2x - 3)

-24x + 36

300

Simplify COMPLETELY: 

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

-13x - 6

400

Simplify COMPLETELY: 

3(5x + 3) - x + 4

14x + 13

500

2(3d + 4) - 6(2d -3)

-6d + 26

Combining Like Terms

100

3x + 5 - 2x - 3

x + 2

200

4y² + 2x + 5y² + 3x

9y² + 5x

300

4x² + 5x² + 6y - 4y - x²

8x² + 2y

400

6x² + 6x + 3x² - 10x - 6

9x²  - 4x - 6

500

3xy + 3x - 2y - 4xy + 5y - 6y

-xy +3x - 3y

Substitution

100

2x + y if x = 2 and y = 4

8

200

8x² + 2y if x = 2 and y = 5

42

300

3x + 2y² if x = 3 and y = 4

41

400

9x - 2(x + y²) if x = 2 and y = 3

-4

500

(a + c)² - 6a   if a = -1, c = 3

8

PEMDAS

100

Simplify: 2 x 4 + 8

16

200

Simplify: 3(4 + 8) - 3

33

300

Simplify: 4(3 + 4) + 5² - 4

49

400

Simplify: 4(3)² - 4 + 5 x 9

77

500

3[20 - 4(5)] - (32/4 - 6)² + 42/6(3)

25