# Math 3

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 Author: RJVan ID: 306620 Filename: Math 3 Updated: 2016-04-07 17:02:25 Tags: differential integral calculus trigonometry algebra Folders: Mechanical Engineering Description: Mechanical Professional Engineering Exam Review Show Answers:

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1. Identify which is the sine wave, which is the cosine wave.
2. What is the equation for the area of an ellipse?
•
• Where a & b are the "radii".
3. What is the equation for the perimeter of an ellipse?
4. ln2(8)=?
ln2(8)=3
5. log(xa)=?
log(xa)=a log(x)
6. Given

solve for t.
7. ln(e)=?
ln(e)=1
8. e=?
e≃2.7183
9. logb(1)=?
logb(1)=0
10. logb(b)=?
logb(b)=1
11. What is the volume of a sphere?
12. What is the quadratic equation?

13. A.
B.
C.
D.
A.

(this multiple choice question has been scrambled)

14. A.
B.
C.
D.
A.

(this multiple choice question has been scrambled)

15. A.
B.
C.
D.
C.

(this multiple choice question has been scrambled)

16. A.
B.
C.
D.
A.

(this multiple choice question has been scrambled)
17. How do you solve

for n, if x and y are given?

18. What is the correct way to expand this matrix by co-factors?

A.
B.
C.
D.
B.
(this multiple choice question has been scrambled)
19. How would you solve this for x?

=

where

20. What would the matrix set-up look like for solving these equations using Cramer's Rule?

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