Multiply.9
A. 81x - 63x
B. 81x - 63x
C. 18
D. 81x - 63
Answer: A
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Determine if each ordered pair is a solution to the given system of inequalities in two variables.xy = 36x2 + y2 = 97(i) (9, -4); (ii) (-4, -9)
A. (i) No; (ii) Yes B. (i) Yes; (ii) Yes C. (i) Yes; (ii) No D. (i) No; (ii) No
Solve the system of equations using Gaussian elimination or Gauss-Jordan elimination.8w + 7x - 6y - 4z = 117w + 5x - 9y - 4z = -108w - 7x + 7y + 5z = -25-6w - 4x + 7y + 8z = -2
A. (1, 5, 4, 2) B. (-1, 5, 4, -2) C. (-1, 4, -5, 2) D. No solution
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A. Yes B. No