In Problems 29 and 30 , the vector v is represented by the directed line segment P Q → . Write v in the form a i+b j and find ‖ v ‖ . P = ( 0 , − 2 ) ; Q = ( − 1 , 1 ) .
In Problems 29 and 30 , the vector v is represented by the directed line segment P Q → . Write v in the form a i+b j and find ‖ v ‖ . P = ( 0 , − 2 ) ; Q = ( − 1 , 1 ) .
Solution Summary: The author explains that the vector v is represented by a directed line segment and the points are P=(0,-2) and Q= (-1,1).
In Problems
29
and
30
, the vector
v
is represented by the directed line segment
P
Q
→
. Write
v
in the form
a
i+b
j
and find
‖
v
‖
.
P
=
(
0
,
−
2
)
;
Q
=
(
−
1
,
1
)
.
Quantities that have magnitude and direction but not position. Some examples of vectors are velocity, displacement, acceleration, and force. They are sometimes called Euclidean or spatial vectors.
Determine whether the lines
L₁ (t) = (-2,3, −1)t + (0,2,-3) and
L2 p(s) = (2, −3, 1)s + (-10, 17, -8)
intersect. If they do, find the point of intersection.
Convert the line given by the parametric equations y(t)
Enter the symmetric equations in alphabetic order.
(x(t)
= -4+6t
= 3-t
(z(t)
=
5-7t
to symmetric equations.
Find the point at which the line (t) = (4, -5,-4)+t(-2, -1,5) intersects the xy plane.
Chapter 8 Solutions
Pearson eText for Precalculus: Concepts Through Functions, A Unit Circle Approach to Trigonometry -- Instant Access (Pearson+)
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