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Question 1(Multiple Choice Worth 2 points)

(Slope-Intercept Form MC)

Which of the following is the equation that represents the graph?

Graph of a line the passes through the points negative 2 comma 0 and 0 comma negative 3.

y equals negative three halves times x minus 3
y equals negative three halves times x minus 2
y equals negative two thirds times x minus 3
y equals negative two thirds times x minus 2

Question 2(Multiple Choice Worth 2 points)

(Slope-Intercept Form MC)

An accountant charges a fee of $100 to complete a company's taxes. The accountant also charges an additional $35 per hour to complete the taxes. Which of the following equations can be used to describe this problem?

y = 35 − 100x
y = 35 + 100x
y = 100 − 35x
y = 100 + 35x

Question 3(Multiple Choice Worth 2 points)

(Slope-Intercept Form MC)

Tyrell is traveling to Chicago, Illinois. He takes a cab service from the airport to his hotel. The table shows the linear relationship between the number of miles the cab travels, x, and the total fee, y.


Cab Fare
Number of Miles Total Fee
2 $13.00
5 $17.50
7 $21.50
10 $25.00
15 $32.50


What does the y-intercept mean in this situation?
For every additional mile the cab travels, the total fee increases by $10.00.
For every additional mile the cab travels, the total fee increases by $1.50.
When the cab travels 0 miles, the total fee will be $1.50.
When the cab travels 0 miles, the total fee will be $10.00.

Question 4(Multiple Choice Worth 2 points)

(Slope-Intercept Form MC)

The table shown represents a linear relationship.


x 0 1 2 3
y −6 −3 0 3


Based on the table, what is the equation of the linear relationship in slope-intercept form?
y = −3x + 2
y = −3x − 2
y = 3x + 6
y = 3x − 6

Question 5(Multiple Choice Worth 2 points)

(Slope-Intercept Form MC)

A dog breeder recorded the weight of a puppy during the first eight months after it was born. The breeder created the equation w = 0.28m + 9.6, where w is the weight of the puppy in pounds and m is the number of months since the puppy was born. What is the meaning of the slope from the breeder′s equation?

For every month after the puppy is born, the weight increases by 0.28 pounds.
When the puppy is born, the total weight is 0.28 pounds.
When the puppy is born, the total weight is 9.6 pounds.
For every month after the puppy is born, the weight increases by 9.6 pounds.

Question 6 (Essay Worth 4 points)

(Slope-Intercept Form HC)

The percentage of battery remaining after a certain number of hours after a cellphone is turned on can be represented by the graph shown.

Graph with x axis labeled number of hours and y axis labeled percent of battery remaining, with line that passes through the points 0 comma 100 and 2 comma 50 and 4 comma 0.

Part A: Write an equation in slope-intercept form to describe the relationship in the graph. (2 points)

Part B: Explain how you determined the equation. (1 point)

Part C: What is the meaning of the slope in the given situation? (1 point)