Unit 4.4 & 4.6 Quiz - EXTRA CREDIT

Which choice represents the equation of the line written in point-slope form of the graph containing points (-3, 7) and (1, −5)?

• a. y = 4x + 19

• b. y = -4x + 19

• c. y = 4x - 19

• d. y = -4x - 19

Which choice matches the equation of a line with a y-intercept of 6 and an x-intercept of 6?

• a. y = -6x

• b. 6 = -6x

• c. y = -x + 6

• d. y = x - 6

Tags

CCSS.8.EE.B.6

CCSS.8.F.A.3

The cost of renting a bowling alley for a party is $110, plus $5 a person for food. Which function can be used to find the total cost C(x) of a party at a bowling alley for x friends?

• a. C(x) = 5x + 110

• b. C(x) = 110x + 5

• c. C(x) = 5x - 110

• d. C(x) = 110x - 5

Tags

CCSS.HSF-BF.A.1A

The function g(x) = 4x + 15 represents the cost to rent x movies each month from an online company. What is g(4) and what does it represent?

• a. The value of g(4) is 16 and it represents the total cost if a customer rents 4 movies in one month.

• b. The value of g(4) is 16 and it represents the cost per movie rental.

• c. The value of g(4) is 31 and it represents the total cost if a customer rents 4 movies in one month.

• d. The value of g(4) is 31 and it represents the cost per movie rental.

Tags

CCSS.HSF.LE.B.5

The grades on a test versus the number of hours studied were plotted for a group of students. Which graph shows the best linear fit for this data?

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Tags

CCSS.8.EE.B.5

The graph is a model of the distance (d) from your grandparents' house, in miles, and time (t) spent traveling, in hours. At what speed are you traveling?

Tags

CCSS.HSF.IF.B.4

Based on the scatter plot, which statement is true?

• a. No relationship exists between the number of hits made and the number of times at bat.

• b. The number of hits made is constant with the number of times at bat.

• c. The number of hits made decreases with the number of times at bat.

• d. The number of hits made increases with the number of times at bat.

Tags

CCSS.HSF.LE.B.5

The police department tracked the number of ticket writers and number of tickets issued for the past 8 weeks. The scatter plot shows the results. Based on the scatter plot, which statement is true?

• a. More ticket writers results in fewer tickets issued.

• b. There were 50 tickets issued every week.

• c. When there are 10 ticket writers, there will be 800 tickets issued.

• d. More ticket writers results in more tickets issued.

1. The table shows the number of students on a basketball team and the number of free throws each student made during practice. 

Based on this information, which best describes the relationship between the number of students and the number of free throws each student made?

• a. Positive linear

• b. Negative linear

• c. No relationship

• d. Quadratic

Tags

CCSS.8.F.A.3

What is the common difference in the arithmetic sequence -3, -1, 1, 3, ...?

• a. -3

• b. -2

• c. 2

• d. 3

Tags

CCSS.HSF.BF.A.2