Unit 3 Test Form B - Retake - Christine Godfrey | Library

1

What is the constant in the following expression?

A company sells speakers for $23 each. At the end of the week, they have sold $851 worth of speakers. How many speakers did they sell? Write and solve an equation to find the answer. 

1

Write an equation to represent the situation. Use the variable x.

1

The company sold _____ speakers.

2.5

If each equation below was solved for x, for which equation is x = 6 the solution?
Choose all that apply.

 Donna opens a savings account with an initial balance of $50. She then deposits $25 each month. Use an equation, a table and a graph to explain the relationship between the amount of money in the account, a,  and the number of months since Donna opened the account, m. 

1

Part A)
Use the equation a=25m+50 to explain how the value of a changes as m increases.

3

Part B)
Make a table to show the relationship between m and a. Find at least 5 ordered pairs. Given the equation a = 25m + 50.

4.5

Use your table from Part B to draw a graph to represent the situation.

1

Which value makes the equation 4x - 5 = 43 true?

Brandon wants to practice his trombone for at least 5.5 hours this week.  

1

Part A
Write an inequality to represent the number of hours Brandon will spend practicing this week. Use the variable x.

3

Part B
Graph the solution to your inequality from Part A on the number line below.

Jen accidently knocks a square framed poster off the wall, breaking the protective glass piece. The glass piece has side length x and she needs to buy a new piece of glass to replace the it. 

1

Part A
Write a variable expression for the area of the glass piece Jen needs to replace.

1

Part B
If the protective glass piece is 25 inches wide, what is the area of the glass piece Jen needs to replace?

1

Part C
If Jen has a budget of $150, what is the most she can pay per square inch of glass to replace the glass piece described in Part B?

1

Unit 3 Test Form B - Retake

What is the constant in the following expression?

Write an equation to represent the situation. Use the variable x.

The company sold _____ speakers.

If each equation below was solved for x, for which equation is x = 6 the solution?
Choose all that apply.

Part A)
Use the equation a=25m+50 to explain how the value of a changes as m increases.

Part B)
Make a table to show the relationship between m and a. Find at least 5 ordered pairs. Given the equation a = 25m + 50.

Use your table from Part B to draw a graph to represent the situation.

Which value makes the equation 4x - 5 = 43 true?

Brandon wants to practice his trombone for at least 5.5 hours this week.

Part A
Write an inequality to represent the number of hours Brandon will spend practicing this week. Use the variable x.

Part B
Graph the solution to your inequality from Part A on the number line below.

Which expression is equivalent to 45x - 15x?
Choose all that apply.

Is 8.3 a solution of

Is 6.5 a solution of

IS 7 a solution of

Is 17 a solution of

Is 6 a solution of

Evaluate:

Part A
Write a variable expression for the area of the glass piece Jen needs to replace.

Part B
If the protective glass piece is 25 inches wide, what is the area of the glass piece Jen needs to replace?

Part C
If Jen has a budget of $150, what is the most she can pay per square inch of glass to replace the glass piece described in Part B?

Explain your answer to #20. (Use mathematical reasoning.)

Unit 3 Test Form B - Retake

What is the constant in the following expression?

Write an equation to represent the situation. Use the variable x.

The company sold _____ speakers.

If each equation below was solved for x, for which equation is x = 6 the solution? Choose all that apply.

Part A)Use the equation a=25m+50 to explain how the value of a changes as m increases.

Part B)Make a table to show the relationship between m and a. Find at least 5 ordered pairs. Given the equation a = 25m + 50.

Use your table from Part B to draw a graph to represent the situation.

Which value makes the equation 4x - 5 = 43 true?

Brandon wants to practice his trombone for at least 5.5 hours this week.

Part A Write an inequality to represent the number of hours Brandon will spend practicing this week. Use the variable x.

Part BGraph the solution to your inequality from Part A on the number line below.

Which expression is equivalent to 45x - 15x? Choose all that apply.

Is 8.3 a solution of

Is 6.5 a solution of

IS 7 a solution of

Is 17 a solution of

Is 6 a solution of

Evaluate:

Part AWrite a variable expression for the area of the glass piece Jen needs to replace.

Part BIf the protective glass piece is 25 inches wide, what is the area of the glass piece Jen needs to replace?

Part CIf Jen has a budget of $150, what is the most she can pay per square inch of glass to replace the glass piece described in Part B?

Explain your answer to #20. (Use mathematical reasoning.)

If each equation below was solved for x, for which equation is x = 6 the solution?
Choose all that apply.

Part A)
Use the equation a=25m+50 to explain how the value of a changes as m increases.

Part B)
Make a table to show the relationship between m and a. Find at least 5 ordered pairs. Given the equation a = 25m + 50.

Part A
Write an inequality to represent the number of hours Brandon will spend practicing this week. Use the variable x.

Part B
Graph the solution to your inequality from Part A on the number line below.

Which expression is equivalent to 45x - 15x?
Choose all that apply.

Part A
Write a variable expression for the area of the glass piece Jen needs to replace.

Part B
If the protective glass piece is 25 inches wide, what is the area of the glass piece Jen needs to replace?

Part C
If Jen has a budget of $150, what is the most she can pay per square inch of glass to replace the glass piece described in Part B?