Topic 3 Review

Write Algebraic Expression

100

6 more than a number c

c + 6

200

50 divided by a number f

50/f

300

12 fewer than h hats

h-12

400

4 times the sum of x and 1/2

4(x + 1/2)

500

twice a number k plus the quantity s minus 2

2k + (s-2)

Solve Algebraic Expression

100

a = 1/3

6a +4

6

200

a = 1/3, b = 9, c = 5

12a +c - b 

0

300

a = 1/3, b = 9

b² - 9a

78

400

a = 1/3

5a - 2/3

1

500

x = 3.1, x = 6.2, x = 8.3

5x

15.5

31

41.5

Combine Like Terms

100

4y + 9y

13y

200

12y² - 6y²

6y²

300

100n - 1 - 25n

75n - 1

400

z⁴ + z⁴ + z⁴ + z⁴

4z⁴

500

1/2x + 1/2 + 1/2X + 1/2

1x + 1

Properties

100

4 + x = x + 4

Commutative Property

200

1x = x

0 + x = x

Identity

300

4(3 + 2) = 12 + 8

Distributive Property

400

4 + (x + 2) = (4 + x) + 2

Associative Property

Exponents

100

3⁴

3 x 3 x 3 x 3 = 81

200

99⁰

1

300

112¹

112

400

0.5 x 0.5 x 0.5 

0.5³ = .125

500

1/7²

1/49