AnswersTX-College Prep Math AUnit Test

Unit Test — Unit test Answers

15 verified answers
1
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The graph shows a line and two similar triangles.What is the equation of the line?

Question illustration
A
y = 3 x + 3
Option A
B
y = three-fourths x + 3
Option B
C
y = four-thirds x + 3
Option C
D
y = 4 x + 3
Option D
2
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The map below shows the path that Jin walked this morning. According to his pedometer, the total distance of this path was 2.3 kilometers.What is the scale of the map?

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A
1 centimeter = 2 kilometers
B
1 centimeter = 5 kilometers
C
2 centimeters = 1 kilometer
D
5 centimeters = 1 kilometer
3

Which equation represents the same proportional relationship as the graph?

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A
y = three-fifths x
Option A
B
y = five-thirds x
Option B
C
x y = three-fifths
Option C
D
x y = five-thirds
Option D
4

What is the constant of proportionality in the equation ?

Question illustration
A
0
B
StartFraction 1 over 9 EndFraction
Option B
C
StartFraction 8 over 9 EndFraction
Option C
D
1
5

Breanna set up her media player and created a graph to show what she saved on it. What does point A represent on the graph?

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A
Breanna has 40 songs for every 3 games on her media player.
B
Breanna has 2 songs for every 3 games on her media player.
C
Breanna has 37 more songs for each game on her media player.
D
Breanna has 1 more game for each song on her media player.
6

Enjoli is making cupcakes for a party. She needs 45 cupcakes but the recipe makes 15. Strawberry Cupcake RecipeBatchesStrawberries1 cups2 3 4 If she does not want any leftovers, which point should Enjoli use to determine the amount of strawberries she will need to make her cupcakes?

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A
A
B
B
C
C
D
D
7

Consider the two graphs below.Which statement best describes the graphs?

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A
Graph 1 represents a proportional relationship, but graph 2 does not.
B
Graph 2 represents a proportional relationship, but graph 1 does not.
C
Both graph 1 and graph 2 represent proportional relationships.
D
Neither graph 1 nor graph 2 represents a proportional relationship.
8

Right triangle ABC is shown below.A similar right triangle would be created by a run of 8 and a rise of

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Answer not available
9

Josiah’s parents pay him for each chore he completes. He created a table to show his earnings each week for the past month.Josiah’s Earnings Week 1Week 2Week 3Week 4Chores Completed4645Money Earned$12$18$12 Which graph correctly depicts his earnings including the last week?

A
On a coordinate plane, a graph titled Josiah's Earnings has chores completed on the x-axis and Money Earned on the y-axis. Points (4, 12), (5, 15), and (6, 18) are plotted.
Option A
B
On a coordinate plane, a graph titled Josiah's Earnings has chores completed on the x-axis and Money Earned on the y-axis. Points (12, 4), (15, 5), and (18, 6) are plotted.
Option B
C
On a coordinate plane, a graph titled Josiah's Earnings has chores completed on the x-axis and Money Earned on the y-axis. Points (4, 12), (6, 2), (6, 18), and (8, 8) are plotted.
Option C
D
On a coordinate plane, a graph titled Josiah's Earnings has chores completed on the x-axis and Money Earned on the y-axis. Points (4, 12), (5, 18), and (6, 18) are plotted.
Option D
10

Aimee noticed her plant grew of an inch every week since it sprouted. She created this graph to show its growth.Which statement about Aimee’s graph is true?

Question illustration
A
Aimee’s graph is correct because the ratio is equal to 2:3, which her graph shows in each point.
Option A
B
Aimee’s graph is incorrect because the ratio is equal to 3:2, so she should have switched her points.
Option B
C
Aimee’s graph is correct because it shows 3 inches of plant growth every two weeks.
D
Aimee’s graph is incorrect because it shows 2 inches of plant growth with each point instead of of an inch.
Option D
11

Merrida wrote the table of points below. xy2238416Which explains whether or not Merrida has described a proportional relationship, and why?

A
Merrida has described a proportional relationship. It is linear and the line passes through the origin.
B
Merrida has described a proportional relationship. It is linear and does not pass through the origin.
C
Merrida has not described a proportional relationship. Although it passes through the origin, it is not a linear relationship.
D
Merrida has not described a proportional relationship. It is not linear and does not pass through the origin.
12

The table below shows the total cost of buying printer ink cartridges for both members and nonmembers of a shopping club.Price of Ink at Shopping ClubNumber of ink cartridges purchasedTotal cost for members(with membership fee)Total cost for nonmembers0$3001$40$252$50$503$60$75Which statement is supported by the table?

A
The relationship between the number of cartridges purchased and the total cost is proportional for nonmembers but not for members.
B
The relationship between the number of cartridges purchased and the total cost is proportional for members but not for nonmembers.
C
The relationship between the number of cartridges purchased and the total cost is proportional for neither members nor nonmembers.
D
The relationship between the number of cartridges purchased and the total cost is proportional for both members and nonmembers.
13

The graph shows a line and two similar triangles.Which expression finds the equation of the line?

Question illustration
A
StartFraction y Over x EndFraction = one-fourth
Option A
B
StartFraction y Over 4 EndFraction = StartFraction x Over 1 EndFraction
Option B
C
StartFraction y Over x EndFraction = StartFraction 4 Over 1 EndFraction
Option C
D
StartFraction y Over 1 EndFraction = StartFraction 4 Over x EndFraction
Option D
14

Right triangle ABC is shown below.A similar right triangle would be created by a rise of 8 and a run of

Question illustration
Answer not available
15

Mrs. Santos is buying binders for the students in her class. She determined that 15 binders would cost $22.50.Cost of BindersIf all of the binders cost the same amount, which statement is true?

Question illustration
A
It will cost $12 for 18 binders.
B
It will cost $20 for 30 binders.
C
It will cost $42 for 28 binders.
D
It will cost $48 for 48 binders.

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