Vector Analysis and Trigonometry Concepts
Interactive Video
•
Mathematics
•
9th - 12th Grade
•
Practice Problem
•
Hard
+2
Standards-aligned
Emma Peterson
FREE Resource
Standards-aligned
Read more
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What are the components of vector u?
5i + 3j
-5i + 3j
-5i - 3j
5i - 3j
Tags
CCSS.HSN.VM.A.2
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In which direction do you move to plot the x-component of vector u?
Down
Left
Up
Right
Tags
CCSS.HSN.VM.A.1
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the formula used to calculate the magnitude of a vector?
x + y
sqrt(x^2 + y^2)
sqrt(x + y)
x^2 + y^2
Tags
CCSS.HSN.VM.A.1
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the magnitude of vector u?
5
3
sqrt(34)
34
Tags
CCSS.HSF.TF.A.4
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which trigonometric function is used to find the direction of a vector?
Cotangent
Tangent
Sine
Cosine
Tags
CCSS.HSF.TF.A.4
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the reference angle for vector u in the third quadrant?
1.570 radians
0.540 radians
3.682 radians
2.356 radians
Tags
CCSS.HSF.TF.A.2
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How do you adjust the reference angle to find the actual angle in the third quadrant?
Add pi
Subtract pi
Divide by pi
Multiply by pi
Tags
CCSS.HSN.VM.A.1
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