AnswersWHS Pre-Algebra - MA3119 A-CRTopic Test

Topic Test — Cumulative exam Answers

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Which expression correctly represents “six more than the quotient of three and a number, decreased by eight”?

A
6 + StartFraction 3 Over n EndFraction minus 8
Option A
B
6 + StartFraction n Over 3 EndFraction minus 8
Option B
C
6 + StartFraction 3 Over n EndFraction + 8
Option C
D
6 + StartFraction n Over 3 EndFraction + 8
Option D
2
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Which of these is a ratio table?

A
A 2-column table has 3 rows. Column 1 is labeled A with entries 1, 2, 3. Column 2 is labeled B with entries 5, 6, 7.
Option A
B
A 2-column table has 3 rows. Column 1 is labeled A with entries 1, 2, 3. Column 2 is labeled B with entries 4, 5, 7.
Option B
C
A 2-column table has 3 rows. Column 1 is labeled A with entries 1, 2, 3. Column 2 is labeled B with entries 1, 4, 9.
Option C
D
A 2-column table has 3 rows. Column 1 is labeled A with entries 1, 2, 3. Column 2 is labeled B with entries 2, 4, 6.
Option D
3

The table shows the number of blue marbles and red marbles that four friends have collected. Blue and Red Marbles BlueRedJasmine1210Aaron32Lucian1010Gretchen142Which person has the highest ratio of blue to red marbles?

A
Jasmine
B
Aaron
C
Lucian
D
Gretchen
4

Which point represents the ordered pair ?

Question illustration
A
point Q
B
point R
C
point S
D
point T
5

Latesha justifies whether the expression 4x – 3 is equivalent to by letting in both expressions. Which values should Latesha compare to justify whether the expressions are equivalent?

Question illustration
A
2 and 5
B
5 and 9
C
5 and 5
D
9 and 9
6

Vladas believes that an equation with a squared term is never a function of x. Which equation can be used to show Vladas that his hypothesis is incorrect?

A
x + y2 = 25
B
x2 – y = 25
C
x2 + y2 = 25
D
x2 – y2 = 25
7

Bryson is picking green beans. He has already picked bushels and picks at a rate of of a bushel each hour. The equation can be used to represent h, the number of hours it will take him to pick 6 bushels. What is the value of h?

Question illustration
A
hours
Option A
B
hours
Option B
C
hours
Option C
D
hours
Option D
8

The graph below shows the number of cups of lemonade that Jermaine and Amelia sold using five different recipes.Lemonade Sold Using Different Recipes Which statement is supported by the graph?

Question illustration
A
They sold the least lemonade with the recipe that used 3 lemons.
B
They sold the least lemonade with the recipe that used 7 lemons.
C
They sold the most lemonade with the recipe that used 3 lemons.
D
They sold the most lemonade with the recipe that used 7 lemons.
9

Catron evaluates the expression using the steps below.Step 1: Step 2: Step 3: Step 4: Solution: Which describes Catron’s error?

Question illustration
A
She incorrectly broke up .
Option A
B
She incorrectly distributed the –9; she should have distributed 2.
C
She did not follow order of operations.
D
She incorrectly converted from an improper fraction to a mixed number.
10

Diego cut 7 smaller boards of equal length from a board that is feet long. How long is each of the 7 smaller boards?

Question illustration
A
Four-thirds
Option A
B
StartFraction 7 over 9 EndFraction
Option B
C
StartFraction 9 over 7 EndFraction
Option C
D
Three-fourths
Option D
11

Heston Wagons reported in June that 20 out of 500 wagons failed inspection. In July, they reported that 25 out of 625 wagons failed inspection. Which proportion can be used to represent the wagon failures?

A
StartFraction 25 over 20 EndFraction = StartFraction 500 over 625 EndFraction
Option A
B
StartFraction 20 over 25 EndFraction = StartFraction 625 over 500 EndFraction
Option B
C
StartFraction 20 over 500 EndFraction = StartFraction 625 over 25 EndFraction
Option C
D
StartFraction 20 over 500 EndFraction = StartFraction 25 over 625 EndFraction
Option D
12

Rachel drew the two graphs below.Graph RGraph SRachel says that Graph R has a greater constant of variation than Graph S. Which statement explains whether Rachel is correct?

Question illustration
A
Rachel is correct; Graph S is nonproportional.
B
Rachel is correct; Graph R goes farther along the x-axis.
C
Rachel is not correct; both graphs go through the origin and have the same constant of variation.
D
Rachel is not correct; Graph S is steeper than Graph R.
13

What is the quotient?

Question illustration
A
Negative 5 and StartFraction 7 over 9 EndFraction
Option A
B
Negative 5 and two-thirds
Option B
C
3 and one-fourth
Option C
D
5 and StartFraction 7 over 9 EndFraction
Option D
14

An auto mechanic charges $50 to diagnose a problem and $25 per hour to repair the problem. If x represents the total number of hours worked and y represents the total charges, which equation represents this situation?

A
y = 25x + 50
B
y = 50x + 25
C
y = 50x – 25
D
y = 25x – 50
15

A home cleaning service takes more time to clean larger spaces. The table shows the number of minutes it takes for the service to clean a certain number of square feet within a home.Square Feet and Cleaning TimeNumber of Square Feet, x5080100150Time in Minutes, y20324060Based on the table, how many minutes would it take for the service to clean 200 square feet?

A
20 minutes
B
80 minutes
C
125 minutes
D
400 minutes
16

Which expression has a value of ?

Question illustration
A
(StartFraction 1 Over 108 EndFraction) cubed
Option A
B
(StartFraction 1 Over 9 EndFraction) Superscript 4
Option B
C
(StartFraction 1 Over 6 EndFraction) squared
Option C
D
(one-half) Superscript 5
Option D
17

What is the value of x in the equation ?

Question illustration
A
–75
B
–27
C
27
D
75
18

The number of hot peppers in a salad is based on the number of servings, as shown in the table below.SaladServingsHot peppers24488?1224How many hot peppers are in an 8-serving salad?

A
12
B
14
C
16
D
32
19

A granola mix sells for $8.99 a pound. Tung wants to buy a bag of granola mix that weighs 7.8 pounds. The bag of granola mix will cost about

A
$16.
B
$17.
C
$63.
D
$72.
20

Which is the simplified form of ?

Question illustration
A
StartFraction 1 Over m Superscript 8 Baseline p EndFraction
Option A
B
StartFraction 1 Over m Superscript 8 EndFraction
Option B
C
StartFraction p over m Superscript 8 EndFraction
Option C
D
m Superscript 8
Option D

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