AnswersGA-8th Grade MathematicsStandard Form

Standard Form — Unit test Answers

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Sanjay said that if a line has a slope of zero, then it never touches the x-axis. Which line proves that his statement is incorrect?

A
x = 0
B
y = 0
C
x = 1
D
y = 1
2
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The table below shows the total cost of admittance to a basketball game, y, for x students.xy5$2510$5015$7520$100Which explains how the table can be used to predict the cost of any number of students attending the game?

A
The table is a partial representation of a larger data set. It can be used to generate a graph that is a complete representation of the data set.
B
The table is a partial representation of a larger data set. It can be used to generate an equation that is a complete representation of the data set.
C
The table is a complete representation of the data set. To determine the cost of any number of students, find the number of students in the x-column.
D
The table is a complete representation of the data set. To determine the cost of any number of students, find the number of students in the y-column.
3

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
4

What is modeled by the graph segment between B and C?

Question illustration
A
The height is remaining constant over time.
B
The time is remaining constant while the height changes.
C
The height is increasing.
D
The height is decreasing.
5

Which situation could best be represented by this linear equation? 2.75x + 3.25y = 215

A
Popcorn is 50 cents less expensive than pretzels. The variable x represents the number of pretzels sold and y represents the number of popcorn bags sold. The sales total was $215.
B
Pretzels cost 75 cents more than popcorn bags. The variable x represents the number of popcorn bags sold and y represents the number of pretzels sold. The sales total was $215.
C
There were 50 more popcorn bags sold than pretzels. The variable x represents the number of popcorn bags sold and y represents the number of pretzels sold. The sales total was $215.
D
Pretzels cost 50 cents less than popcorn bags. The variable x represents the number of pretzels sold and y represents the number of popcorn bags sold. The sales total was $215.
6

Which expression can be used to determine the slope of the line that passes through the points (–7, 3) and (1, –9)?

A
StartFraction 1 minus (negative 7) Over negative 9 minus 3 EndFraction
Option A
B
StartFraction 1 + (negative 7) Over negative 9 + 3 EndFraction
Option B
C
StartFraction negative 9 minus 3 Over 1 minus (negative 7) EndFraction
Option C
D
StartFraction negative 9 + 3 Over 1 + (negative 7) EndFraction
Option D
7

How does the graph below change between point A and point B?

Question illustration
T
The graph increases.
T
The graph decreases.
T
The graph decreases, then increases.
T
The graph increases, then decreases.
8

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

Question illustration
Answer not available
9

Which equation represents the linear function that is shown on the graph below?

Question illustration
A
y = one-half x + 4
Option A
B
y = one-half x minus 2
Option B
C
y = 4 x minus 2
Option C
D
y = negative 2 x + 4
Option D
10

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
11

The graph shown below represents a ladder leaning against a wall. The bottom of the ladder is 4 feet from the wall, and the top of the ladder reaches 20 feet above the ground. What is the slope of the graph?

Question illustration
A
–24
B
–20
C
–5
D
–4
12

What is the y-intercept of the linear equation ?

Question illustration
A
–6
B
–3
C
0
D
12
13

The table below shows the amount of money Sarah spends for a craft demonstration. Number of People AttendingCost5$158$1810$2015$25Sarah spends a total of $60. Based on the information in the table, how many people attended the craft demonstration?

A
20
B
30
C
50
D
70
14

How does the graph change between point A and point C?

Question illustration
T
The graph increases, then decreases.
T
The graph decreases, then remains constant.
T
The graph decreases, then increases.
T
The graph increases, then remains constant.
15

Javier and his study group designed a word problem, equation, table, and graph that were all supposed to represent the same information, as shown below.Word ProblemA movie theater charges $8.00 for each ticket. What is the total cost, y, for x tickets?Equationy = 8xGraphMovie Theater CostsTableWhich piece of information does not represent the same information as the other three parts?

Question illustration
A
word problem
B
equation
C
graph
D
table

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