Parametrically Defined Circles and Lines
AP Precalculus · Flashcards · Recall
AP PRECALCULUS · FLASHCARDS
Card 1
of 11
0 got it
0 to review
Current
Got it
Still learning
Not seen
QUESTION
What is the parametric form of a line through
(
a
,
b
)
(a, b)
(
a
,
b
)
parallel to
y
=
m
x
+
c
y = mx + c
y
=
m
x
+
c
?
QUESTION
What is the parametric form of a vertical line
x
=
c
x = c
x
=
c
?
QUESTION
What is the parametric form for a line parallel to
y
=
3
x
+
2
y = 3x + 2
y
=
3
x
+
2
through
(
4
,
1
)
(4, 1)
(
4
,
1
)
?
Tap to flip before you grade
ANSWER
x
=
4
+
t
,
y
=
1
+
3
t
x = 4 + t, \, y = 1 + 3t
x
=
4
+
t
,
y
=
1
+
3
t
. Parallel lines have same slope; direction vector
(
1
,
3
)
(1, 3)
(
1
,
3
)
.
Swipe → got it · swipe ← still learning
Got it
Still learning
Flip Card
Previous card
Next card