Determine whether the vectors v and w are orthogonal.v = 3i - 8j, w =-8i - 3j
A. Orthogonal
B. Not orthogonal
Answer: A
Mathematics
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Solve the inequality.
< 6
A. no values
B. -9 < x < - 
C. x < -9, x > - 
D. x < - 
, x > 9
Mathematics
Determine the missing coordinate of a point that lies on the graph of the unit circle, given the quadrant in which it is located.
; Quadrant IV
A. y = - 
B. y = - 
C. y = 
D. y = 
Mathematics
Factor, if possible.x2 - 3xy - 18y2
A. (x - 6y)(x + y) B. (x - 6y)(x + 3y) C. (x - y)(x + 3y) D. (x + 6y)(x - 3y)
Mathematics
Express the sum or difference as a product of sines and/or cosines.cos 
+ cos 
A. 2 cos(2?)
B. 2 sin(2?) sin ?
C. 2 cos(2?) cos 
D. 2 sin(2?) sin 
Mathematics