Algebra 1.2 Unit 1

Numbers and Properties

100

Which set of numbers does not contain the value 0?

A. R

B. Q

C. W

D. N

N - Natural numbers

200

What is a rational number?

Numbers where the decimal either terminates or repeats. They can always be written as a fraction.

300

Name the property illustrated.

(6a + 4b) + 3c = 6a + (4b + 3c)

Associative Property of Addition

400

Name the property illustrated by the statement.

(9a * 5b) + 2c = 2c + (9a * 5b)

Commutative Property of Addition

500

What is the multiplicative inverse of 7/3x?

3x/7

Simplifying Expressions

100

Simplify the expression

16x - 11 - 7x + 10

9x - 1

200

Simplify

29 - (11 - 2³) + 6² ÷ 4

35

300

Evaluate the expression if m = 1/4.

2m² + 9m 

19/8

500

Evaluate the expression if x = 5 and y = -9

-x² + 7(y + 2) - 1

-75

Solve Equations

100

Solve

6(n + 5) = 2

n = -14/3

200

Solve

40 - 8x = -8(x - 5)

All Real Numbers

300

Solve

16 - (7m + 3) = 8(1 - m)

m = -5

400

On the board

500

On the board 

Inequalities

100

Solve, graph, and give interval notation

5v + 1 > 7v - 17

v < 9

(-∞, 9)

200

Solve, graph, and give interval notation

-3(2p + 8) < -4(2p + 6)

p < 0

(-∞, 0)

300

Solve, graph, and write in interval notation.

3x + 4 < 10 or 5x > 45

x < 2 or x > 9

(-∞, 2] U (9, ∞)

400

Solve, graph, and write in interval notation.

2w + 1 < 11 and 1 - 5w < 41

w < 5 and w > -8

(-8, 5]

500

On the board.

Solve, graph, and write in interval notation.

2 < x < 8

[2, 8)

Absolute Value

100

Solve

3|m + 8| = 39

m = 5, -21

200

Solve

|3x - 9| = x + 1

x = 2, 5

300

Solve

16|r - 5| = -32

No Solution

400

On the board

Solve, graph, and write in interval notation.

m < -7.5 and m > 7.5

(-∞, -7.5) U (7.5, ∞)

500

Solve, graph, and write in interval notation.

2 - 5|10 - 2n| > -28

n > 2 and n < 8

[2, 8]