Parametric Functions Modeling Planar Motion
AP Precalculus · Flashcards
AP PRECALCULUS · FLASHCARDS
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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
.
QUESTION
What type of curve is
x
=
a
cos
(
t
)
x = a \cos(t)
x
=
a
cos
(
t
)
,
y
=
a
sin
(
t
)
y = a \sin(t)
y
=
a
sin
(
t
)
?
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ANSWER
A circle. A circle centered at origin with radius
a
a
a
.
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