Algebra I - Unit 1: Foundations of Algebra Quiz 2: The Real Numbers

The multiplicative inverse of -3 is

-1/3

Evaluate BD for A = 5, B = -2, C = 4 and D = -6.

12

Perform the indicated operation. 5 - (-8)

13

Perform the indicated operation. 2 3/8 times 5 3/4

13 21/32

Perform the indicated operation. (-50) ÷ (-2)

25

Evaluate AB/CD for A = 5, B = -2, C = 4 and D = -6.

5/12

Evaluate 5|7 - 9| - 2.

8

Perform the indicated operation. 3 + (-4)

-1

A natural number is _____ a rational number.

always

A negative number raised to an odd power is _____ negative.

always

Select the mathematical terms that mean "opposite of."

negative additive inverse minus

Round the number 3,250.0883 to the nearest hundredth.

3,250.09

Simplify -2 to the 3rd power.

-8

Evaluate |6| - |-6|.

0

The sum of a number and its additive inverse is equal to _____.

0

Perform the indicated operation. 5/8+7/12

1 5/24

Perform the indicated operation. (-10) ÷ (-20)

1/2

Which of the following shows the correct order for -1 2/5 , (-1) to the 2nd power , -1. 4 and ( 1/2 ) to the 2nd power ?

-1. 4 < -1 2/5 < ( 1/2 ) to the 2nd power< (-1) to the 2nd power

Perform the indicated operation. (-6)(4)

-24

Perform the indicated operation. (-10) -(-4) _____

-6