Find the constant of proportionality from a graph
7th grade (Year 8 in England) · 16 questions · Common Core: 7.RP.A.2.B, 7.RP.A.2.D · England: KS3 Ratio, proportion and rates of change
Name
Date
Score/ 16
Question 1
A proportional graph passes through (2, 1). What is k? Give a fraction in simplest form.
Answer(as a fraction)
Question 2
On a proportional graph of cost (y) against kilograms (x), the point (1, 6) is marked. What does this point tell you?
- A. Every kg costs 1 more than the last
- B. 1 kg costs 6
- C. 6 kg cost 1
- D. The graph starts at 6
Question 3
The line passes through (0, 0) and (2, 12). What is the constant of proportionality?
Answer
Question 4
A proportional graph passes through (2, 3). What is k? Give a fraction in simplest form.
Answer(as a fraction)
Question 5
On a proportional graph of cost (y) against kilograms (x), the point (1, 9) is marked. What does this point tell you?
- A. 9 kg cost 1
- B. 1 kg costs 9
- C. The graph starts at 9
- D. Every kg costs 1 more than the last
Question 6
The line passes through (0, 0) and (3, 15). What is the constant of proportionality?
Answer
Question 7
A proportional graph passes through (3, 2). What is k? Give a fraction in simplest form.
Answer(as a fraction)
Question 8
On a proportional graph of cost (y) against kilograms (x), the point (1, 5) is marked. What does this point tell you?
- A. 5 kg cost 1
- B. 1 kg costs 5
- C. The graph starts at 5
- D. Every kg costs 1 more than the last
Question 9
The line passes through (0, 0) and (2, 10). What is the constant of proportionality?
Answer
Question 10
A proportional graph passes through (4, 3). What is k? Give a fraction in simplest form.
Answer(as a fraction)
Question 11
On a proportional graph of cost (y) against kilograms (x), the point (1, 2) is marked. What does this point tell you?
- A. 2 kg cost 1
- B. 1 kg costs 2
- C. The graph starts at 2
- D. Every kg costs 1 more than the last
Question 12
The line passes through (0, 0) and (2, 6). What is the constant of proportionality?
Answer
Question 13
A proportional graph passes through (3, 4). What is k? Give a fraction in simplest form.
Answer(as a fraction)
Question 14
On a proportional graph of cost (y) against kilograms (x), the point (1, 6) is marked. What does this point tell you?
- A. Every kg costs 1 more than the last
- B. The graph starts at 6
- C. 6 kg cost 1
- D. 1 kg costs 6
Question 15
The line passes through (0, 0) and (2, 12). What is the constant of proportionality?
Answer
Question 16
A proportional graph passes through (2, 3). What is k? Give a fraction in simplest form.
Answer(as a fraction)
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