Ratios & Proportions
PSAT Math · Flashcards · Recall
PSAT MATH · FLASHCARDS
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QUESTION
What is the unit rate for
a
b
\frac{a}{b}
b
a
when
b
b
b
represents the number of units?
QUESTION
Which equation represents inverse variation between
y
y
y
and
x
x
x
with constant
k
k
k
?
QUESTION
What is the definition of the ratio
a
:
b
a:b
a
:
b
in fraction form (with
b
≠
0
b \ne 0
b
=
0
)?
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ANSWER
a
b
\frac{a}{b}
b
a
. A ratio
a
:
b
a:b
a
:
b
is expressed as a fraction with
a
a
a
in the numerator and
b
b
b
in the denominator.
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