End Test Review for Chapter 3

This video tutorial covers the concepts of combining like terms and the distributive property, aimed at simplifying mathematical expressions. It includes examples of simplifying expressions, finding perimeters, and applying these concepts in word problems. The tutorial also demonstrates the use of the distributive property with both numbers and variables, providing a comprehensive review for a math test.

What is the first step in simplifying expressions by combining like terms?

• Combine all terms immediately

• Separate the expression into terms

• Apply the distributive property

• Identify the constants

When combining like terms 6x and 3x, what is the result?

• 3x

• 18x

• 6x

• 9x

In the expression 4R + R + 2R, how many Rs are there in total?

• 5R

• 7R

• 6R

• 4R

How many Rs are there in the expression 4R + 1R + 2R?

• 8R

• 5R

• 6R

• 7R

What does the distributive property allow you to do in expressions?

• Divide terms

• Multiply a term outside the parenthesis by terms inside

• Subtract terms

• Combine unlike terms

How do you simplify the expression 6(4 + x) + 1 using the distributive property?

• 24 + 6x + 1

• 10x + 1

• 24x + 7

• 6x + 25

What is the simplified form of the perimeter expression 18 + 2x + 7 + 18 + 7?

• 45 + 2x

• 25x + 25

• 50x + 2

• 2x + 50

If each bag of popcorn costs $5, how much would five people spend in total for movie tickets and popcorn, given the ticket cost is $8 each?

• $85

• $45

• $105

• $65

What is the result of using the distributive property on the expression 7(80 + 6)?

• 560

• 486

• 546

• 602

What is the simplified expression for 5(x - 8)?

• x - 40

• 5x + 40

• 13x

• 5x - 40