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Unit 3 Test Form A

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Last updated about 6 years ago
21 questions
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Question 1
1.

A company sells ear buds for $17 each. At the end of the week, they have sold $731 worth of ear buds. How many ear buds did they sell? Write and solve an equation to find the answer.
Question 2
2.

Write the equation for how many earbuds they sold.

Question 3
3.

Fill in the blank: The company sold ________ ear buds.

Question 4
4.

Leanna opens a savings account with an initial balance of $100. She then deposits $50 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 Leanna opened the account, m.
Question 5
5.

Part A)
Use the following equation to explain how the value of a changes as m increases.

Question 6
6.

Part B)
Make a table to show the relationship between m and a. Find at least 5 ordered pairs.

Question 7
7.

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

Question 8
8.

Sean wants to practice his soccer skills for at least 2.5 hours this week.
Question 9
9.

Part A)
Write an inequality to represent the number of hours Sean will spend practicing this week.

Question 10
10.

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

Question 11
11.

For #12- #16: Consider the possible solution to each inequality. Choose Yes or No for each question.
Question 12
12.

Question 13
13.

Question 14
14.

Question 15
15.

Question 16
16.

Question 17
17.

Evaluate:

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What is the constant in the following expression?
8
5
7
6
If each equation below is solved for x, for which equation is x=8 the solution?
Choose all that apply.
Which value makes the following equation true?
10
12
14
16
Which expression is equivalent to the following equation?
Choose all that apply.
Is 8 a solution of
Yes
No
Is 2 a solution of
Yes
No
Is 4.6 a solution of
Yes
No
Is 3.9 a solution of
Yes
No
Is 5 a solution of
Yes
No
Question 18
18.

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

Question 19
19.

Part B) If the window is 20 inches wide, what is the area of the glass piece Stephanie needs to replace?
Area of Glass: ______________ square inches

Question 20
20.

Part C)
If Stephanie has a budget of $100, what is the most she can pay per square inch of glass to replace the window discribed in Part B?

Question 21
21.

Explain your answer to #20 above.