What type of proportion does this scenario represent?
The length of time you charge your cell phone
and the battery power
Direct And Inverse Variation Class 8
Quiz
•
Mathematics
•
8th Grade
•
Medium
Amit Tripathi
Used 4+ times
FREE Resource
40 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What type of proportion does this scenario represent?
The length of time you charge your cell phone
and the battery power
Direct Proportion
inverse Proportion
Joint Proportion
None of these
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
g is directly proportional to b
Given g=20 when b=4.
Find g when b=7
25
35
30
23
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The width of a rectangle varies inversely with its length. if the width is 4 when the length is 18, find the width when the length is 8.
9
36
72
81
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
.The number of pencils sold varies directly as the cost. If 5 pencils cost $0.45, find the cost of 7 pencils.
Direct
Inverse
Both
None
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
. What does the Direct Variation Equation look like?
Y= kx
y = mx + b
y=x
y=b
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
A dishwasher uses 65 gallons of water to wash 5 loads of dishes. What is the constant of proportion?
13
65
5
45
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
If y varies directly with x and y= 12 when x= 15. What is the value of x when y= 16?
11.25
19
20
12.5
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