AP Precalculus Quiz
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FUNCTIONS INVOLVING PARAMETERS, VECTORS, AND MATRICES
Question 1
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Which of the following is a parametrization for the parabola given by
x
=
−
3
(
y
+
1
)
2
+
2
x = -3(y+1)^2 + 2
x
=
−
3
(
y
+
1
)
2
+
2
?
A
x
(
t
)
=
t
,
y
(
t
)
=
−
3
(
t
+
1
)
2
+
2
x(t) = t, y(t) = -3(t+1)^2+2
x
(
t
)
=
t
,
y
(
t
)
=
−
3
(
t
+
1
)
2
+
2
B
x
(
t
)
=
−
3
(
t
+
1
)
2
+
2
,
y
(
t
)
=
t
x(t) = -3(t+1)^2+2, y(t) = t
x
(
t
)
=
−
3
(
t
+
1
)
2
+
2
,
y
(
t
)
=
t
C
x
(
t
)
=
t
,
y
(
t
)
=
t
−
2
−
3
−
1
x(t) = t, y(t) = \sqrt{\frac{t-2}{-3}} - 1
x
(
t
)
=
t
,
y
(
t
)
=
−
3
t
−
2
−
1
D
x
(
t
)
=
−
3
(
t
−
1
)
2
+
2
,
y
(
t
)
=
t
x(t) = -3(t-1)^2+2, y(t) = t
x
(
t
)
=
−
3
(
t
−
1
)
2
+
2
,
y
(
t
)
=
t
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