Add the polynomials.(7y + 12) + (6y + 14)
A. 13y + 26
B. 13y - 26
C. 13y2 + 26
D. 42y2 + 168
Answer: A
Mathematics
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Evaluate the determinant.
A. -25 B. -20 C. -70 D. 25
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Graph the function.f(x) = log5 (-x)
A. 
B. 
C. 
D. 
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Solve using a matrix on a graphing calculator.
A. (-1, 6, 2) B. (1, 5, 6) C. (1, 6, 5) D. No solution
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Solve the system of equations by Gauss-Jordan elimination.
A. {(18, 12, -6)} B. {(12, 6, 0)} C. {(9, 3, 3)} D. ?
Mathematics