Interpreting Parameters in Linear/Exponential Models
Algebra · Flashcards · Recall
ALGEBRA · FLASHCARDS
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QUESTION
What does
m
=
0
m = 0
m
=
0
mean in a linear model
y
=
m
x
+
b
y = mx + b
y
=
m
x
+
b
?
QUESTION
What does the parameter
(
1
−
r
)
(1-r)
(
1
−
r
)
represent in
y
=
a
(
1
−
r
)
t
y = a(1-r)^t
y
=
a
(
1
−
r
)
t
?
QUESTION
What does
r
r
r
represent in
y
=
a
(
1
+
r
)
x
y = a(1+r)^x
y
=
a
(
1
+
r
)
x
when
r
r
r
is given as a decimal?
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ANSWER
r
r
r
is the percent rate per
x
x
x
-unit, written as a decimal. Growth rate as a decimal:
1.08
1.08
1.08
means
8
%
8\%
8%
growth.
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