Determine whether the vectors v and w are orthogonal.v = < 3, -2 >, w = < -6, -9 >
A. Orthogonal
B. Not orthogonal
Answer: A
Mathematics
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Solve the equation for the indicated variable.A = P(1 + nr); solve for r
A. r = 
B. r = 
C. r = 
D. r = 
Mathematics
Perform the indicated operation.
- 
A. 
B. 
C. 3
D. 
Mathematics
Prove the identity.sin 
= 2
(cos x + sin x)
What will be an ideal response?
Mathematics
Find the inverse, if it exists, of the given matrix.
A. 
B. 
C. 
D. 
Mathematics