Unit G

Simplify Expressions

100

-4(x + - 7)

-4x + 28

200

2k + k + 4k

7k

300

3(-4x + 10m)

-12x + 30m

400

2(x + 6) + 3x + 2

5x + 14

500

-3(2k-8) + 5(k + 4)

-k + 44

or

-1k + 44

Algebraic Expressions

100

Evaluate cd if d = 7 and c = -6

cd²

-294

200

Evaluate 5 + 2n if n = 7

19

300

Evaluate s - t + u if s = 11, t = 9, and u = 10

12

400

7p + (p ÷ - q) if p = 6 and q = 3

40

500

2(m - 5) + 3w if m = 8 and w = -2

0

Writing Expressions

100

-14 more than j

j + -14

200

7 less than s

S - 7

300

10 times the number y

10y

400

3 less than the quotient of j and 2

j ÷ 2 - 3 OR j/2 -3

500

the sum of the product of 2 and m and 15

2m + 15

Properties

100

Which property does this show? 8 + 2 = 2 + 8

Commutative

200

Simplify the expression using the communitative and associative property.

5 + (y + 8)

5 + (8 + y) Communitative Property

(5 + 8) + y Associative Property

13 + y

300

Which property does this show? 8 + ( 9+ 7) = (8+ 9) + 7

Associative

400

Simplify the expression using the identity property

6x + 0

6x

500

What property does this show? 2(3) = 3(2)

Commutative

Vocab

100

Name the terms, coefficients, and constants of the expression.

5x - 7y + h + 8

Terms: 5x, -7y, h, 8

Coefficients: 5, -7, 1

Constants: 8

200

Name the terms, coefficients, and constants of the expression.

2x + 3

Terms: 2x, 3

Coefficients: 2

Constants: 3

300

Evaluate: (21 * 2 - 6)/(2+1)²

4

400

32(-3+2)+ 8 / 2

164

500

Name the coefficient.

m + 5

1