Given that y varies inversely with x, if x =7 and y = 4, what is y when x = 2?
Inverse Variation Equations

Quiz
•
Mathematics
•
9th Grade
•
Hard
Anthony Clark
FREE Resource
20 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
14
10
2
-14
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Does the equation show an inverse variation?
y=10/x
yes
no
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which equation represents an inverse variation?
y=2
y=2x
y=2x+2
y=2/x
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The frequency of a vibrating guitar string varies inversely as its length. Suppose a guitar string 0.65 meters long vibrates 4.3 times per second. What frequency would a string 0.5 meters long have?
13.2 times per sec
5.59 times per sec
1.39 times per sec
5 times per sec
5.
FILL IN THE BLANK QUESTION
1 min • 1 pt
Write the statement in the form of an equation. Use k as the constant of variation. (Use / for fraction bar, no space)
z varies inversely with w
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Assume y varies inversely with x. What is the equation that best represents the relationship?
y = 12/x
y = 1/2x
y = 6x
y = -20/x
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which of the following represents inverse variation?
y = kx
y = k/x
y = x/k
y = mx + b
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