y=kx & Constant of Proportionality
Pre-Algebra · Flashcards
PRE-ALGEBRA · FLASHCARDS
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QUESTION
The graph of
y
=
k
x
y = kx
y
=
k
x
passes through
(
5
,
2
)
(5, 2)
(
5
,
2
)
. What is
k
k
k
?
QUESTION
The pairs
(
2
,
9
)
(2, 9)
(
2
,
9
)
and
(
4
,
18
)
(4, 18)
(
4
,
18
)
come from a proportional relationship. What is the constant of proportionality?
QUESTION
What is the constant of proportionality in
y
=
7
x
y = 7x
y
=
7
x
?
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ANSWER
7
7
7
. The equation has the form
y
=
k
x
y = kx
y
=
k
x
with
k
=
7
k = 7
k
=
7
.
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