Solve the system of equations using Gaussian elimination or Gauss-Jordan elimination.8w + 8x - 6y - 3z = 147w + 6x - 9y - 3z = -78w - 8x + 7y + 4z = -28-6w - 3x + 8y + 8z = 7
A. (-1, 5, 4, -2)
B. (1, 5, 4, 2)
C. (-1, 4, -5, 2)
D. No solution
Answer: A
Mathematics
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Rationalize the denominator.
A. -1 - 
B. -1 + 
C. 1 + 
D. 1 - 
Mathematics
Solve the problem.For what numbers x, -2? ? x ? 2?, does the graph of y = csc x have vertical asymptotes?
A. -2, -1, 0, 1, 2
B. -2?, -?, 0, ?, 2?
C. - 
, - 
, 
, 
D. none
Mathematics
Find the midpoint of the line segment formed by joining the points P1 and P2.P1 = (9
, -7
); P2 = (12
, -2
)
A. 
B. 
C. 
D. (21
, -9
)
Mathematics
Provide an appropriate response.If p = 320-q, by using common logarithms express q in terms of p.
What will be an ideal response?
Mathematics