Name: ____________________________________
1. Which equation does not represent a linear function?
1. y = x – 5
4. In the graph shown below, ΔA′B′C′ is the image
produced by a dilation of the pre-image ΔABC.
2. y = x
3. y = x – 3
4. y = x 2 – 1
2. Consider the two linear functions below:
What is true about the rate of change of Function 1 and
Function 2?
1. The rate of change of both functions is positive.
2. The rate of change of both functions is negative.
3. The rate of change of Function 1 is greater than
the rate of change of Function 2.
4. The rate of change of Function 1 is less than the
rate of change of Function 2. 3. What is the slope of the graph of the line y = 2x -3?
1. 1 3. -3
2. 2 4. 2x
What scale factor was used?
1. 2. 2
3. −2
4. −
5. Identify the nonlinear functions.
1. 2. 3. 4. Function 1 and Function 2
Function 2 and Function 3
Function 1 and Function 3
Function 1, Function 2, and Function 3
6. If x and y are defined as indicated by the
accompanying table, which equation correctly
represents the relationship between x and y?
9. How do you write 105 in standard form?
Answer: 10. Alpha Centauri is the nearest star to our Sun. It is
4.3 light years away or about 25 trillion miles. Which of
the following expresses 25 trillion miles in scientific
notation?
1. 2. 3. 4. y = x + 2
y = 2x + 2
y = 2x + 3
y = 2x - 3
7. The table of ordered pairs represents a function.
Identify the function rule for the following table:
1. 2. 3. 4. 2.5 × 1012
2.5 × 1013
2.5 × 1016
2.5 × 1017
11. To finish a home improvement project, Scott needs
to rent a truck. The equation y = 19.95 + 20x represents the total
cost, y, of renting a truck from Company A
for x hours.
The table below shows the cost for renting a truck
from Company B for various lengths of time.
Time
(hours)
1. y = 2x + 1 3. y = 5x + 5
2. y = 10x - 5 4. y = 5x - 5
8. The cube shown below has a volume of 729 cubic
centimeters. What is the length of one side, s?
[Hint: the formula for the volume, V, of a cube is V =
s3.]
1. 243 centimeters 3. 72 centimeters
2. 81 centimeters 4. 9 centimeters
1
3
5
7
12
Total Cost $36.00 $71.00
$141.00 $228.50
$106.00 Which statement accurately describes the per hour
charges for each company?
1. Company B charges $2.45 less per hour than
Company A.
2. Company B charges $2.50 less per hour than
Company A.
3. Company B charges $2.45 more per hour than
Company A.
4. Company B charges $2.50 more per hour than
Company A.
12. Two of the sides of a rectangle have a length of 3
units. The points (-1, 2) and (6, 2) are adjacent vertices
of a rectangle. To the nearest tenth, what is the length of
a diagonal of the rectangle?
1. 3.2 units 3. 6.3 units
2. 3.8 units 4. 7.6 units
13. If the size of a molecule is 6.02 × 10-23 units, and
we magnify it one million times, what is the size of the
image?
1. 2. 3. 4. 15. Use the symbol <, =, > to make the statement true.
106 107
16. Three of the four options below represent the same
linear function and one does not.
I. The output is the product of the input and five
increased by two.
II. 6.02 × 10-18 units
6.02 × 10-17 units
60.2 × 10-17 units
6.02 × 10-19units
14. Fill in the table for the linear function f(x) = 2x − 1.
x
f(x)
−2
−5
−1
−3
0
−1
1
3
3
III. y + 5x = 2
IV. x y 0 2
1
7
2
12
3
17
Which one does not belong?
1. I 3. III
2. II 4. IV
17. In the year 2000, the United States had about
100,300,000 people registered to use cellular phones.
How would this number of people be written in scientific
notation?
1. 2. 3. 4. 1.003 × 108
1.003 × 107
1.003 × 106
1.003 × 105
18. Ronaldo built a skateboard ramp that rises 2
vertical feet for every 3 horizontal feet. Jackie built a
skateboard ramp using the equation y = 1.5x that
represents y, vertical feet and x, horizontal feet. Who
built the steeper ramp?
1. Ronaldo
2. Jackie
3. Both ramps have the same steepness.
4. It cannot be determined.
22. In ΔABC, 83 centimeters.
and the perimeter is equal to
What is the length of ?
19. What is the product of all integers between and ?
Answer: The product is .
20. What is the name of a figure after a transformation?
1. image 3. output
2. origin 4. inverse
21. Which function has a rate of change that is the same
as the rate of change of the function graphed below?
Answer: The length of centimeters is centimeters.
23. If ΔGHJ is similar to ΔLKM, side corresponds to which side?
1. 2. 3. 1. 2. 3. 4. 9x + 12y = 3
4y – 3x = -4
24x –​ 18y = 4
12y + 16x = 15
Answer Key for spiral 8
1. 4 9. 100000 17. 1
2. 1 10. 2
18. 2
3. 2 11. 2
19. 720
4. 3 12. 4
20. 1
5. 4 13. 2
21. 1
6. 4 14. 1, 2, 5 22. 31
7. 2 15. <
23. 1
8. 4 16. 3