Unit 3 Test Form A

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What is the constant in the following expression?

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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. 

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Write the equation for how many earbuds they sold.

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

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If each equation below is solved for x, for which equation is x=8 the solution?
Choose all that apply.

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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. 

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

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

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

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Which value makes the following equation true?

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

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

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

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Which expression is equivalent to the following equation?
Choose all that apply.

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

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Is 8 a solution of

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Is 2 a solution of

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Is 4.6 a solution of

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Is 3.9 a solution of

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Is 5 a solution of

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Evaluate:

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

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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

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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?

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What is the constant in the following expression?

Write the equation for how many earbuds they sold.

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

If each equation below is solved for x, for which equation is x=8 the solution?Choose all that apply.

Part A) Use the following equation 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.

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

Which value makes the following equation true?

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

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

Which expression is equivalent to the following equation? Choose all that apply.

Is 8 a solution of

Is 2 a solution of

Is 4.6 a solution of

Is 3.9 a solution of

Is 5 a solution of

Evaluate:

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

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

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?

Explain your answer to #20 above.

If each equation below is solved for x, for which equation is x=8 the solution?
Choose all that apply.

Part A)
Use the following equation 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.

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

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

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

Which expression is equivalent to the following equation?
Choose all that apply.

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

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

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?