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Example Questions
Example Question #1 : Algebraic Fractions
When
,
.
When ,
.
If varies inversely with
, what is the value of
when
?
Possible Answers:
Correct answer:
Explanation:
If varies inversely with
,
.
1. Using any of the two combinations given, solve for
:
Using :
2. Use your new equation and solve when
:
Example Question #2 : How To Find Inverse Variation
x |
y |
|
|
|
|
|
|
|
|
If varies inversely with
, what is the value of
?
Possible Answers:
Correct answer:
Explanation:
An inverse variation is a function in the form: or
, where
is not equal to 0.
Substitute each in
.
Therefore, the constant of variation, , must equal 24. If
varies inversely as
,
must equal 24. Solve for
.
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