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

Tags

CCSS.7.EE.A.1

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

• 3x

• 18x

• 6x

• 9x

Tags

CCSS.7.EE.A.1

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

• 5R

• 7R

• 6R

• 4R

Tags

CCSS.7.EE.A.1

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

• 8R

• 5R

• 6R

• 7R

Tags

CCSS.7.EE.A.1

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

Tags

CCSS.6.EE.A.3

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

• 24 + 6x + 1

• 10x + 1

• 24x + 7

• 6x + 25

Tags

CCSS.6.EE.A.3

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

• 45 + 2x

• 25x + 25

• 50x + 2

• 2x + 50

Tags

CCSS.7.EE.A.1

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

Tags

CCSS.3.OA.D.8

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

• 560

• 486

• 546

• 602

Tags

CCSS.6.NS.B.4

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

• x - 40

• 5x + 40

• 13x

• 5x - 40

Tags

CCSS.6.EE.A.3