Parametric Functions Modeling Planar Motion
AP Precalculus · Flashcards · Application
AP PRECALCULUS · FLASHCARDS
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QUESTION
Convert
x
=
t
x = t
x
=
t
,
y
=
2
t
+
3
y = 2t + 3
y
=
2
t
+
3
to Cartesian form.
QUESTION
Convert
x
=
t
2
−
1
x = t^2 - 1
x
=
t
2
−
1
,
y
=
2
t
y = 2t
y
=
2
t
to a Cartesian equation.
QUESTION
Find
x
x
x
at
t
=
0
t = 0
t
=
0
for
x
=
7
t
−
2
x = 7t - 2
x
=
7
t
−
2
.
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ANSWER
x
=
−
2
x = -2
x
=
−
2
. Substitute
t
=
0
t = 0
t
=
0
:
x
=
7
(
0
)
−
2
=
−
2
x = 7(0) - 2 = -2
x
=
7
(
0
)
−
2
=
−
2
.
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