8. Find the exact magnitude of c = = (-1,-9). Show your work and write your answer on the line provided.

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter8: Applications Of Trigonometry
Section8.4: The Dot Product
Problem 31E
icon
Related questions
Question
I need answer for 4,5,6,7,8,9,10
8.
9.
10.
Find the exact magnitude of c = (-1,-9). Show your work and write your answer on the
line provided.
8.
Find the exact magnitude of c = (3,12). Show your work and write your answer on the
line provided.
9.
Find the direction angle of the vector (-1,5) in degrees. Draw a picture of this vector in
the correct quadrant. Then use your calculator to find the tangent inverse of the angle
in that quadrant. Write your answer on the line provided.
10..
Transcribed Image Text:8. 9. 10. Find the exact magnitude of c = (-1,-9). Show your work and write your answer on the line provided. 8. Find the exact magnitude of c = (3,12). Show your work and write your answer on the line provided. 9. Find the direction angle of the vector (-1,5) in degrees. Draw a picture of this vector in the correct quadrant. Then use your calculator to find the tangent inverse of the angle in that quadrant. Write your answer on the line provided. 10..
**Show all work for each problem and write your final answers on the lines provided. Read
and follow the directions carefully.
1.
2.
3.
4.
5.
6.
7.
1 3
Given u = (16,-2) and v= (22,-14), find u
Given u = (-8,-2) and v = (-5,11), find 8u -5v.
V.
Find the dot product of u =(-3,4) and v = (-8,-16)
Find the dot product of u =(5,10) and v = (19,-9)
1.
2.
3.
4.
Are the vectors u = (12,-3) and v=(4,-16)orthogonal? Use a complete sentence to
explain your answer and show your work.
A vector has a magnitude of 8 and a direction of 240°. Write an equivalent vector in
exact a₁ + bj form.
6.
Find the horizontal and vertical components of the vector whose magnitude is 450 mph
with a directional angle of 157.5°. The write your answer in a₁ + bj form, rounding to the
nearest tenth of a degree.
Transcribed Image Text:**Show all work for each problem and write your final answers on the lines provided. Read and follow the directions carefully. 1. 2. 3. 4. 5. 6. 7. 1 3 Given u = (16,-2) and v= (22,-14), find u Given u = (-8,-2) and v = (-5,11), find 8u -5v. V. Find the dot product of u =(-3,4) and v = (-8,-16) Find the dot product of u =(5,10) and v = (19,-9) 1. 2. 3. 4. Are the vectors u = (12,-3) and v=(4,-16)orthogonal? Use a complete sentence to explain your answer and show your work. A vector has a magnitude of 8 and a direction of 240°. Write an equivalent vector in exact a₁ + bj form. 6. Find the horizontal and vertical components of the vector whose magnitude is 450 mph with a directional angle of 157.5°. The write your answer in a₁ + bj form, rounding to the nearest tenth of a degree.
Expert Solution
steps

Step by step

Solved in 2 steps with 2 images

Blurred answer
Similar questions
Recommended textbooks for you
Algebra & Trigonometry with Analytic Geometry
Algebra & Trigonometry with Analytic Geometry
Algebra
ISBN:
9781133382119
Author:
Swokowski
Publisher:
Cengage
Elementary Geometry For College Students, 7e
Elementary Geometry For College Students, 7e
Geometry
ISBN:
9781337614085
Author:
Alexander, Daniel C.; Koeberlein, Geralyn M.
Publisher:
Cengage,
Trigonometry (MindTap Course List)
Trigonometry (MindTap Course List)
Trigonometry
ISBN:
9781305652224
Author:
Charles P. McKeague, Mark D. Turner
Publisher:
Cengage Learning