Understanding Absolute Values and Operations

The video tutorial explains how to simplify an expression using the order of operations. It begins with simplifying inside parentheses, including absolute values, and then moves on to handling exponents before subtraction. The tutorial also covers how to deal with negative numbers and concludes with the final calculation, emphasizing the importance of following the correct order of operations to arrive at the correct result.

What is the first step in the order of operations when simplifying an expression?

• Simplify exponents

• Simplify inside parentheses or grouping symbols

• Perform addition

• Perform multiplication

When simplifying the expression 3 squared, what is the result?

• 12

• 9

• 3

• 6

How can 2 minus 9 be rewritten to help simplify the expression?

• 2 minus negative 9

• 2 minus 7

• 2 plus 9

• 2 plus negative 9

Which of the following is a correct interpretation of 2 plus negative 9?

• A gain of $9

• A loss of $7

• A gain of $7

• A loss of $9

What is the absolute value of negative 7?

• 0

• 14

• -7

• 7

What operation should be performed first: multiplication or subtraction?

• Addition

• Multiplication

• Division

• Subtraction

What is the result of multiplying 7 by 7?

• 77

• 49

• 21

• 14

How can the subtraction problem 38 minus 49 be rewritten?

• 38 minus 38

• 38 plus 49

• 38 minus negative 49

• 38 plus negative 49

What is the final result of the expression 38 minus 49?

• -49

• 49

• -11

• 11