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Knowledge Check 3: Expressions & Equations

Last updated over 5 years ago

4 questions

Knowledge Check: Expressions and Equations 

1

1

Question 2

2.

Write an equation to show the perimeter of a square with side lengths of 2x + 1. Simplify the expression

1

1

Question 1

1.

Which of the following shows the correct expression after using the distributive property

-12x + 9

-12x + 36

-12x - 36

-7x + 13

Question 3

3.

Tyler starts a savings account with $30. He deposits $10 per week. Eventually, Tyler wants to have $400 in his account to buy a new gaming console. How many weeks will it take Tyler to save up enough money?

WRITE AN EQUATION to model the story problem. Use w as your variable. (Do not put any spaces in your answer).

Question 4

4.

Tyler starts a savings account with $30. He deposits $10 per week. Eventually, Tyler wants to have $400 in his account to buy a new gaming console. How many weeks will it take Tyler to save up enough money?

Solve the equation you wrote in problem #3. Enter your answer as w=#