Proportional Relationships
ISEE Upper Level · Flashcards · Recall
ISEE UPPER LEVEL · FLASHCARDS
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QUESTION
What is the equation for an inverse variation between
y
y
y
and
x
x
x
?
QUESTION
What is the unit rate for the ratio
a
b
\frac{a}{b}
b
a
with
b
≠
0
b \neq 0
b
=
0
?
QUESTION
What is the standard equation for a direct variation between
y
y
y
and
x
x
x
?
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ANSWER
y
=
k
x
y = kx
y
=
k
x
. Direct variation implies
y
y
y
changes linearly with
x
x
x
through a constant multiplier
k
k
k
.
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