Solve the system by graphing. If the system is inconsistent and has no solution, state this. If the system is dependent, write the form of the solution for any real number x.9x + y = 239x + y = 77
A. (18, 5)
B. Inconsistent, ?
C. Dependent, (x, - 9x + 23)
D. (21, -166)
Answer: B
Mathematics
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Find the slope of the polar curve at the indicated point.r = 8 cos ? - 9 sin ?, ? = ?
A. 
B. - 
C. - 
D. 
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Find the midpoint of the segment having the given endpoints.(-0.9, -0.3) and (2.2, -2.3)
A. (1.55, -1) B. (-1, 1.55) C. (-1.3, 0.65) D. (0.65, -1.3)
Mathematics
Determine whether the vectors v and w are parallel.v = 
, w = 
A. Not parallel B. Parallel
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If possible, find the matrix product.Given A = 
, find A3.
A.
A3 = 
B.
A3 = 
C.
A3 = 
D.
A3 = 
Mathematics