What are the next three terms in the sequence?

–1, 9, 19, 29, …
Incorrect answer A. 38, 37, 32
Incorrect answer B. 40, 51, 62
Correct answer C. 39, 49, 59
Incorrect answer D. 38, 47, 56

Geoff planted dahlias in his garden. Dahlias have bulbs that divide and reproduce underground. In the first year, Geoff’s garden produced 8 bulbs. In the second year, it produced 16 bulbs, and in the third year it produced 32 bulbs. If this pattern continues, how many bulbs should Geoff expect in the sixth year?
Incorrect answer A. 64 bulbs
Incorrect answer B. 512 bulbs
Incorrect answer C. 128 bulbs
Correct answer D. 256 bulbs

What are the first four terms of the sequence represented by the expression n(n – 1) – 5?
Incorrect answer A. –7, –5, –3, 1
Incorrect answer B. –5, –10, –15, –20
Incorrect answer C. 0, 2, 6, 12
Correct answer D. –5, –3, 1, 7


A car traveling at 23 mi/h accelerates to 46 mi/h in 5 seconds. It maintains that speed for 5 seconds and then slows to a stop in 5 seconds. Which graph shows the car’s speed over time? C

Which statement describes the speed of the remote-control car over time?
Incorrect answer A. The speed of the car decreases from 4 mi/h to 2 mi/h in the first 3 seconds, increases to 5 mi/h in the next 2 seconds, and then remains at 5 mi/h for the last 5 seconds.
Incorrect answer B. The speed of the car increases from 4 mi/h to 2 mi/h in the first 3 seconds, decreases to 5 mi/h in the next 2 seconds, and then remains at 5 mi/h for the last 5 seconds.
Correct answer C. The speed of the car decreases from 4 mi/h to 2 mi/h in the first 3 seconds, increases to 6 mi/h in the next second, and then remains at 6 mi/h for the last 6 seconds.
Incorrect answer D. The speed of the car decreases from 4 mi/h to 2 mi/h in the first 3 seconds, increases to 5 mi/h in the next 5 seconds and then remains at 5 mi/h for the last 10 seconds.

Given the function rule f(x) = x² – 5x + 1, what is the output of f(–3)?
Incorrect answer A. 7
Incorrect answer B. –5
Correct answer C. 25
Incorrect answer D. 5

Suppose you earn $12 each time you mow the lawn. Which function describes the relationship between your total earnings E and the number of times you mow the lawn, m?
Incorrect answer A. E(m) = m + 12
Incorrect answer B. m = 12E
Incorrect answer C. E(m) = m – 12
Correct answer D. E(m) = 12m

The data in the table illustrate a linear function.

x –3 0 3 6
y –6 –2 2 6

What is the slope of the linear function? Which graph represents the data?
D

Which hill described in the table is the steepest? Explain.

Street Horizontal
Distance (ft) Vertical Rise
of Street (ft)
Dixie Hill 80 40
Bell Hill 80 20
Liberty Hill 80 60
Incorrect answer A. Bell Hill; it rises 1 foot for every 4 feet of horizontal travel.
Incorrect answer B. Dixie Hill; it rises 2 feet for every 1 foot of horizontal travel.
Incorrect answer C. Liberty Hill; it rises 4 feet for every 3 feet of horizontal travel.
Correct answer D. Liberty Hill; it rises three-fourths foot for every 1 foot of horizontal travel.

Which graph represents the linear function y = start fraction 1 over 5 end fractionx – 2?
B

Which graph represents the linear function y = –3x + 1?
B

Which function rule represents the data in the table below?

Input (x)

1

2

3

4

5

Output (y)

9

14

19

24

29

Correct answer A. y = 4 + 5x

Mia charges $2.25 per hour when she babysits, plus $5.00 for transportation expenses. Which function rule represents the amount y Mia charges to babysit for x hours?
Correct answer A. y = 2.25x + 5.00

The sale price of ground beef at a local grocery store is $1.49 for the first pound and $1.09 for each additional pound. Which function rule shows how the cost of ground beef, y, depends on the number of pounds, x?
B. y = 1.09(x – 1) + 1.49

y = 3x – 8

Which quadratic rule represents the data in the table?

x

–1

0

1

2

3

y

4

5

4

1

–4
Correct answer B. y = –x² + 5