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

Identifying Proportional Relationships Answers

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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

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