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PSAT Math · Flashcards
PSAT MATH · FLASHCARDS
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QUESTION
What does the
y
y
y
-intercept
b
b
b
represent in a model
y
=
m
x
+
b
y=mx+b
y
=
m
x
+
b
?
QUESTION
Which prediction method is used when
x
=
12
x=12
x
=
12
but the data only cover
x
x
x
from
3
3
3
to
10
10
10
?
QUESTION
What is the slope-intercept form typically used for a linear model on a scatter plot?
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ANSWER
y
=
m
x
+
b
y = mx + b
y
=
m
x
+
b
. Standard linear equation form where
m
m
m
is slope and
b
b
b
is y-intercept.
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