Mathematics Quiz

The scatterplot shows information about the number of words students reported studying and the number of rounds they participated in during the city spelling bee. How many students are represented in the data?

• 10

• 13

• 15

• 18

Jake works part-time at a restaurant. The amount of money earned by Jake for six weeks is shown below: $40, $83, $39, $40, $35, $69. If Jake earned $21 for working a seventh week, which statement is true for these seven weeks? SHOW WORK

• The mean and the median both decrease.

• The median and the mean both remain the same.

• The median decreases and the mean remains the same.

• The mean decreases and the median remains the same.

Which of the following is the graph of the equation y = 5x - 4 ?

• A line with a slope of 5 and y-intercept of -4.

• A line with a slope of -5 and y-intercept of 4.

• A line with a slope of 4 and y-intercept of -5.

• A line with a slope of -4 and y-intercept of 5.

What is the y-intercept of the line in graph A?

• 6

• 1

• -4

• 0

What is the slope of the line in graph B?

• 3

• 2

• 1

• 4

What is the slope of the line passing through the points (-4, 8) and (-2, 2) in graph C?

• -3

• -2

• -1

• 0

What is the y-intercept of the line in graph D?

• 6

• 1

• -4

• 0

Marwan needs to make copies of a booklet. The expression 0.5n + 12.75 represents the total cost, in dollars, to make n copies of the booklet. What is the total cost to print 15 booklets? SHOW WORK

• $13.88

• $20.25

• $26.38

• $28.25

Using the expression 0.5n + 12.75, what is the total cost to print 40 booklets? SHOW WORK

• $26.38

• $28.25

• $32.75

• $53.25