Chapter 2 Operations with Integers

Chapter 2 Operations with Integers

Review

Addition and Subtraction of Integers

• Same signs keep and add

• Different signs subtract, take the sign of the bigger number then you will be exact.

Multiple Choice

What is the value of

 $5-\left(-5\right)$  ?

• -10

• -1

• 0

• 10

Multiple Choice

What pair of integers when combined give you 0?

• 3 and -3

• 0 and 9

• -9 and 0

• 3 and -1

Multiple Choice

 What is the value of |-9| + 9?

• -9

• 0

• 18

• 7

Multiple Choice

What is the value of the expression 14 + 10 + (-14)?

• -10

• 38

• 10

• -38

Multiplying and Dividing of Integers

• Same Signs = Positive number

• Different Signs = Negative number

Multiple Choice

Evaluate the expression $\left(-64c\right)\left(-1\right)\ if\ c\ =\ -1$ 

• 64

• -64

• -65

• -1

Multiple Choice

Simplify $-5x\left(-4y\right)$ 

• 20xy

• -20xy

• -9xy

• 9xy

Multiple Choice

Find the quotient of $\left(-49\right)\div\left(-7\right)$  

• -7

• 7

• -42

• -56

Multiple Choice

A golfer recorded the following scores in a five-day tournament.

Find the mean and interpret the quotient.

+5, -1, +3, 0, -2

• -1; 1 under par

• 1; 1 above par