Suppose y varies inversely with x.
If y = 150 when x = 2, find y when x = 25.
Direct Variation or Inverse Variation

Quiz
•
Mathematics
•
9th Grade
•
Hard
Anthony Clark
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
300
75
1,875
12
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The number of kilograms of water in a person’s body varies directly as the person’s mass. A person with a mass of 90 kg contains 60 kg of water. How many kilograms of water are in a person whose mass is 75 kg?
50 kg water
72 kg water
94 kg water
150 kg water
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The volume V of a gas kept at a constant temperature varies inversely as the pressure p.
If the pressure is 24 pounds per square inch, the volume is 15 cubic feet.
What will be the volume when the pressure is 30 pounds per square inch?
8 cubic feet
10 cubic feet
12 cubic feet
14 cubic feet
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What relationship does the table represent?
Direct
Inverse
Neither
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
This type of variation states that the two quantities increase at the same time or decrease at the same time.
Direct Variation
Inverse Variation
Joint Variation
Combined Variation
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The cost c varies directly as the number of n pencils is written as
c = kn
k = cn
n = k/c
c = k/n
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The speed r of a moving object is inversely proportional to the time t travelled is written as
r = kt
r = k/t
t = kr
t = r/k
Create a free account and access millions of resources
Similar Resources on Wayground
15 questions
Direct Variation

Quiz
•
8th Grade - University
13 questions
Direct & Inverse Variation

Quiz
•
10th - 12th Grade
15 questions
Direct/Inverse Variation

Quiz
•
8th - 12th Grade
13 questions
Direct Variation (12m)

Quiz
•
8th - 9th Grade
10 questions
Inverse Variation

Quiz
•
9th - 10th Grade
10 questions
Combined Variation

Quiz
•
9th Grade
10 questions
Direct and Inverse Variation

Quiz
•
9th - 12th Grade
8 questions
Inverse Variation

Quiz
•
9th Grade
Popular Resources on Wayground
25 questions
Equations of Circles

Quiz
•
10th - 11th Grade
30 questions
Week 5 Memory Builder 1 (Multiplication and Division Facts)

Quiz
•
9th Grade
33 questions
Unit 3 Summative - Summer School: Immune System

Quiz
•
10th Grade
10 questions
Writing and Identifying Ratios Practice

Quiz
•
5th - 6th Grade
36 questions
Prime and Composite Numbers

Quiz
•
5th Grade
14 questions
Exterior and Interior angles of Polygons

Quiz
•
8th Grade
37 questions
Camp Re-cap Week 1 (no regression)

Quiz
•
9th - 12th Grade
46 questions
Biology Semester 1 Review

Quiz
•
10th Grade