Graphing Functions
PSAT · Flashcards · Application
PSAT · FLASHCARDS
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QUESTION
Find the
y
y
y
-intercept of
f
(
x
)
=
2
x
2
−
3
x
+
4
f(x)=2x^2-3x+4
f
(
x
)
=
2
x
2
−
3
x
+
4
.
QUESTION
What is the
y
y
y
-intercept of the line
y
=
−
2
x
+
7
y=-2x+7
y
=
−
2
x
+
7
?
QUESTION
Identify the slope and
y
y
y
-intercept of
y
=
−
3
x
+
5
y=-3x+5
y
=
−
3
x
+
5
.
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ANSWER
Slope
−
3
-3
−
3
;
y
y
y
-intercept
(
0
,
5
)
(0,5)
(
0
,
5
)
. Read directly from
y
=
m
x
+
b
y=mx+b
y
=
m
x
+
b
form:
m
=
−
3
m=-3
m
=
−
3
,
b
=
5
b=5
b
=
5
.
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