Solve the system by using the inverse of the coefficient matrix. 2x + 4y - z = 48 x + 6y + 6z = 73-4x + y + z = -17
A. (7, 9, 2)
B. (8, 7, 2)
C. (9, 2, 9)
D. (7, -9, -2)
Answer: A
Mathematics
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Factor.24m8 - 28m5 + 40m3
A. m3(24m5 - 28m2 + 40) B. 4(6m8 - 7m5 + 10m3) C. 4m3(6m5 - 7m2 + 10) D. prime
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Using transformations, sketch the graph of the requested function.The graph of a function f is illustrated. Use the graph of f as the first step toward graphing the function F(x), where 
A. 
B. 
C. 
D. 
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Perform the indicated multiplication.-15(-11)
A. -180 B. 180 C. 165 D. 176
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Find the focus and directrix of the parabola with the given equation.11x2 = 40y
A. Focus: 
, directrix: y = 
B. Focus: 
, directrix: y = - 
C. Focus: 
, directrix: y = - 
D. Focus: 
, directrix: x = - 
Mathematics