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4.4
Surprise
100
Add these two vectors: |-3| + |5| |6 | |9|
|2 | |15|
100
Write a set of parallel vectors
answers may vary
100
Find the intersection: |x| = |-2| + s|3| and |x| = |15| + t|-4| |y| |1 | |2| |y| |5 | |1 |
Intersection = |7| |7|
100
How can you tell two vectors are parallel?
They are scalar multiples.
100
What is Ceili's favorite color?
What is rainbow?
200
Find the magnitude of this vector: |3| |6|
Square root of 45
200
Find the scalar product of these vectors |4| |7| |6| |5|
58
200
What is the formula for Cartesian Equations?
(x-xo)/a = (y-yo)/b = (z-zo)/c
200
What is a velocity vector?
The magnitude and direction of a moving object.
200
What town does Alex live in?
What is Amston?
300
Are these two vectors scalar? |78460| and |675| |67533| |89 |
What is no.
300
State the angle between these vectors |12| |4| |-1| |7|
65.0 degrees
300
What is the angle between these lines? |x| |1| |-1| |x| |1 | |2 | |y| = |0| + t|1 | and |y| = |-1| + u|-1| |z| |3| |-2| |z| | 4 | |3 |
169 degrees
300
Are the following lines parallel, intersecting, or scew? What is the angle between them? x=1-2t, y=8+t, z=5 and x=2+4r, y=-1-2r, z=3
They are parallel, therefore the angle is zero.
300
Name Mackenzie's brothers and ages.
Tyler (19) and Logan (13)
400
Is the following a unit vector? |2/5| |3/5|
No
400
Find x such that a and b are perpendicular a=|4| b=|9| |8| |x|
x=-9/2
400
Are the following vectors parallel? x = -1 + 2s, y = 1 - 2s, z = 1 +4s x = 1 - t, y = t, z = 3 - 2t
What is yussss?
400
Determine the initial position, velocity vector, and the speed of the following vector equation: |x|=|0 |+t|3| |y|=|-6| |-4|
Initial position: (0, -6) Velocity vector: |3| |-4| Speed: 5 m/s
400
What is Camryn's reddit name?
What is camkess?
500
What is the vector between the following two points? (7,-2) and (4,-9)
|-3| |-7|
500
Find the dot product and the acute angle between these two vectors |4 | |17| |24| |-3|
dot product= -4 angle= 89.5 degrees
500
Skew
What are vectors that are not parallel and do not have a simultaneous solution??????????
500
Tell whether the following lines are parallel, intersecting, or scew. Then find the acute angle between them. x=1+t, y=2-t, z=3+2t and x=2+3r, y=-1-2r, z=r-5
They are parallel, meeting at (-4, 7, -7) and the acute angle between them is 40.2 degrees.
500
What does 電波女と青春男 mean
Electrowave Girl and Youthful Boy.