AnswersFL-1205040-MJ Grade 7 Mathematics A-CRIdentifying Proportional Relationships

Identifying Proportional Relationships Answers

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1
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Which ordered pair would form a proportional relationship with the point graphed below?

Question illustration
A
(–10, 30)
B
(30, –15)
C
(–30, 10)
D
(80, –30)
2
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Ming wrote the table of points below. xy51010201530Which explains whether or not Ming has described a proportional relationship, and why?

A
Ming has described a proportional relationship because the ordered pairs are linear and the line passes through the origin.
B
Ming has not described a proportional relationship. Although it is a linear relationship, it does not pass through the origin.
C
Ming has not described a proportional relationship. Although it passes through the origin, it is not a linear relationship.
D
Ming has described a proportional relationship because the line does not pass through the origin.
3

If the relationship is proportional, what is the missing value from the table?xy8616?2418

A
8
B
9
C
12
D
14
4

Four puzzles that were manufactured contained a total of 420 pieces. The next 6 puzzles contained a total of 630 pieces. If the relationship between the number of puzzles and the total number of puzzle pieces continues to be proportional, which could be the missing entries in the table?Number of Puzzles(x)Number of Pieces(y)44206630

A
8 puzzles and 800 pieces
B
8 puzzles and 840 pieces
C
10 puzzles and 1,000 pieces
D
10 puzzles and 1,200 pieces
5

Which graph of ordered pairs shows a proportional relationship?

A
On a coordinate plane, points (negative 1, 2) and (2, negative 1) are plotted.
Option A
B
On a coordinate plane, points (negative 2, negative 3) and (2, 3) are plotted.
Option B
C
On a coordinate plane, points (negative 2, negative 1) and (2, 3) are plotted.
Option C
D
On a coordinate plane, points (negative 1, 3) and (1, 1) are plotted.
Option D
6

Which ordered pair would form a proportional relationship with the point graphed below?

Question illustration
A
(–40, 20)
B
(–10, –20)
C
(15, –30)
D
(5, –15)
7

Which graph represents a proportional relationship?

A
On a coordinate plane, a straight line crosses the y-axis at (0, 0).
Option A
B
On a coordinate plane, a straight line crosses the y-axis at (0, negative 2).
Option B
C
On a coordinate plane, a straight line crosses the y-axis at (0, negative 3).
Option C
D
On a coordinate plane, a straight line crosses the y-axis at (0, 3).
Option D
8

Which graph represents a proportional relationship?

A
On a coordinate plane, a line crosses the y-axis at (0, 2).
Option A
B
On a coordinate plane, a line crosses the y-axis at (0, 2).
Option B
C
On a coordinate plane, a curved line curves at (0, 0).
Option C
D
On a coordinate plane, a line crosses the y-axis at (0, 0).
Option D
9

Four puzzles that were manufactured contained a total of 420 pieces. The next 6 puzzles contained a total of 630 pieces. If the relationship between the number of puzzles and the total number of puzzle pieces continues to be proportional, which could be the missing entries in the table?Number of Puzzles(x)Number of Pieces(y)44206630

A
8 puzzles and 800 pieces
B
8 puzzles and 840 pieces
C
10 puzzles and 1,000 pieces
D
10 puzzles and 1,200 pieces
10

Which table of ordered pairs represents a proportional relationship?

A
A 2-column table with 3 rows. Column 1 is labeled x with entries negative 3, negative 4, negative 5. Column 2 is labeled y with entries 3, 2, 1.
Option A
B
A 2-column table with 3 rows. Column 1 is labeled x with entries negative 1, negative 3, negative 5. Column 2 is labeled y with entries 1, 3, 5.
Option B
C
A 2-column table with 3 rows. Column 1 is labeled x with entries negative 2, negative 4, negative 6. Column 2 is labeled y with entries negative 5, negative 7, negative 9.
Option C
D
A 2-column table with 3 rows. Column 1 is labeled x with entries negative 2, negative 3, negative 4. Column 2 is labeled y with entries 0, negative 1, negative 2.
Option D
11

Which ordered pair would form a proportional relationship with the point graphed below?

Question illustration
A
(–10, 30)
B
(30, –15)
C
(–30, 10)
D
(80, –30)
12

Which table of ordered pairs represents a proportional relationship?

A
A 2-column table with 3 rows. Column 1 is labeled x with entries negative 3, negative 4, negative 5. Column 2 is labeled y with entries 3, 2, 1.
Option A
B
A 2-column table with 3 rows. Column 1 is labeled x with entries negative 1, negative 3, negative 5. Column 2 is labeled y with entries 1, 3, 5.
Option B
C
A 2-column table with 3 rows. Column 1 is labeled x with entries negative 2, negative 4, negative 6. Column 2 is labeled y with entries negative 5, negative 7, negative 9.
Option C
D
A 2-column table with 3 rows. Column 1 is labeled x with entries negative 2, negative 3, negative 4. Column 2 is labeled y with entries 0, negative 1, negative 2.
Option D
13

Which graph represents a proportional relationship?

A
On a coordinate plane, a line crosses the y-axis at (0, 2).
Option A
B
On a coordinate plane, a line crosses the y-axis at (0, 2).
Option B
C
On a coordinate plane, a curved line curves at (0, 0).
Option C
D
On a coordinate plane, a line crosses the y-axis at (0, 0).
Option D
14

Which table of ordered pairs represents a proportional relationship?

A
A 2-column table with 3 rows. Column 1 is labeled x with entries 0, 5, 10. Column 2 is labeled y with entries 10, 20, 30.
Option A
B
A 2-column table with 3 rows. Column 1 is labeled x with entries 2, 4, 6. Column 2 is labeled y with entries 10, 20, 30.
Option B
C
A 2-column table with 3 rows. Column 1 is labeled x with entries 1, 2, 3. Column 2 is labeled y with entries 2, 3, 4.
Option C
D
A 2-column table with 3 rows. Column 1 is labeled x with entries 1, 3, 4. Column 2 is labeled y with entries 4, 10, 13.
Option D
15

Jin’s soccer team has 4 coaches and 22 players, and his twin sister’s team has 2 coaches and 11 players. If the relationship between the number of players and coaches is proportional throughout the league, which ordered pair could represent the total number of coaches and players in the entire league?xy211422

A
24 coaches and 120 players
B
26 coaches and 143 players
C
28 coaches and 168 players
D
30 coaches and 180 players
16

If the relationship is proportional, what is the missing value from the table?xy8616?2418

A
8
B
9
C
12
D
14
17

Which ordered pair would form a proportional relationship with the point graphed below?

Question illustration
A
(40, 10)
B
(–5, –10)
C
(5, 20)
D
(–10, –20)
18

Which graph of ordered pairs shows a proportional relationship?

A
On a coordinate plane, points (negative 1, 2) and (2, negative 1) are plotted.
Option A
B
On a coordinate plane, points (negative 2, negative 3) and (2, 3) are plotted.
Option B
C
On a coordinate plane, points (negative 2, negative 1) and (2, 3) are plotted.
Option C
D
On a coordinate plane, points (negative 1, 3) and (1, 1) are plotted.
Option D
19

Which table of ordered pairs represents a proportional relationship?

A
A 2-column table with 3 rows. Column 1 is labeled x with entries 4, 7, 10. Column 2 is labeled y with entries 8, 11, 14.
Option A
B
A 2-column table with 3 rows. Column 1 is labeled x with entries 5, 7, 9. Column 2 is labeled y with entries 25, 49, 81.
Option B
C
A 2-column table with 3 rows. Column 1 is labeled x with entries 6, 10, 14. Column 2 is labeled y with entries 3, 5, 7.
Option C
D
A 2-column table with 3 rows. Column 1 is labeled x with entries 3, 8, 13. Column 2 is labeled y with entries 6, 11, 18.
Option D

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