Constant of Proportionality Problems
Quiz
•
Mathematics
•
7th Grade
•
Practice Problem
•
Hard
+3
Standards-aligned
Anthony Clark
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15 questions
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1.
FILL IN THE BLANK QUESTION
1 min • 5 pts
If Justin can type 408 words in 4 minutes, Let the number of minutes be x and the number of words typed be y. What is the constant of proportionality?
Tags
CCSS.7.RP.A.2B
2.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
Alycia earned $20.40 in 3 hours. Let the number of hours be x and the money earned be y. What is the constant of proportionality?
$7 per hour
$6 per hour
$6.80 per hour
$17.40 per hour
Tags
CCSS.7.RP.A.2B
3.
MULTIPLE CHOICE QUESTION
1 min • 20 pts
In the equation y = 14x, what is the constant of proportionality?
x
14
y
Tags
CCSS.7.RP.A.2B
4.
MULTIPLE CHOICE QUESTION
1 min • 20 pts
Find the constant proportionality of 624 calories in 3 servings.
1,872 calories per serving
208 calories per serving
624 calories per serving
621 calories per serving
Tags
CCSS.7.RP.A.2B
5.
MULTIPLE CHOICE QUESTION
1 min • 20 pts
You spend $40 on 5 pounds of concrete. What is the unit rate in dollars per pound?
$8 per pound
$35 per pound
$5 per pound
0.125 pounds per dollar
Tags
CCSS.6.RP.A.1
CCSS.6.RP.A.2
6.
MULTIPLE CHOICE QUESTION
1 min • 20 pts
What makes a graph proportional?
A straight line (linear) that goes through the origin
Linear (straight line), that does NOT go through the origin.
Tags
CCSS.7.RP.A.2D
7.
OPEN ENDED QUESTION
1 min • 1 pt
One kilometer is 1000 meters. Complete the tables. What is the interpretation of the constant of proportionality in each case?
| meters | kilometers |
|---|---|
| 1,000 | ? |
| 250 | ? |
| 12 | ? |
| 1 | ? |
| kilometers | meters |
|---|---|
| 1 | 1,000 |
| 5 | ? |
| 20 | ? |
| 0.3 | ? |
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