Solve the system of equations using the inverse of the coefficient matrix.-4x - y + 3z = -37-9x + 3y + 4z = -52-9x - 5y + z = -114
A. No solution
B. x = -9, y = 7, z = 18
C. x = 9, y = 2, z = 7
D. x = 9, y = 7, z = 2
Answer: D
Mathematics
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Factor the square of the binomial.x2 - 16xy + 64y2
A. (x + 8y)2 B. (x - 8y)(x + 8y) C. (x - 8y)2 D. (x - 16y)(x + 16y)
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Evaluate the given function.f(x) = x3, f(-5)
A. -125 B. -15 C. -5x3 D. x-15
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Solve using the elimination method. If the system has no solution or an infinite number of solutions, state this.0.9x - 0.3y = 8.1-0.9x - 0.1y = -5.7
A. No solution B. (-6, 7) C. Infinite number of solutions D. (7, -6)
Mathematics
Find the reciprocal, if it exists.
A. -18
B. - 
C. 1
D. 18
Mathematics