Exploring Adding and Subtracting Rational Expressions

This video tutorial covers the basics of integers and number lines. It explains how to visualize positive and negative numbers on a number line, the concept of opposites, and the definition of integers. The tutorial also demonstrates how to graph integers, represent real-world situations using integers, and compare and order integers. Finally, it introduces the concept of absolute value, explaining how to calculate it and its significance.

What are positive numbers on a number line?

• Numbers that are decimals

• Numbers that are fractions

• Numbers to the right of zero

• Numbers to the left of zero

Which number is an example of a negative integer?

• 0

• -3

• 2

• 5

What is the opposite of -17?

• -34

• 0

• 17

• -17

How would you represent a 13-foot incline using integers?

• 13

• -13

• 0

• -1

If you deposit $75 into a bank account, how is this represented as an integer?

• -75

• 75

• 0

• 1

What does a 21-day extension represent as an integer?

• 1

• 0

• -21

• 21

Which integer is greater: -27 or -4?

• -27

• -4

• Both are equal

• Cannot be determined

Which is larger: 3 or -11?

• Both are equal

• -11

• Cannot be determined

• 3

What is the absolute value of -47?

• -47

• 47

• 0

• -94

Order the following integers from least to greatest: -12, 20, 24, -39, -24.

• -39, -24, -12, 20, 24

• 24, 20, -12, -24, -39

• -12, -24, -39, 20, 24

• 20, 24, -12, -24, -39