Find the indicated matrix.Let A = 
, B = 
, and C = 
. Find C(A - B).
A. 
B. 
C. 
D. 
Answer: B
Mathematics
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Factor the polynomial by removing any common monomial factor.5x2 - 10x - 25
A. 5x(x2 - 2x - 5) B. 5(x2 - 5x - 20) C. 5(x2 - 10x - 25) D. 5(x2 - 2x - 5)
Mathematics
Find the first six terms of the sequence.a1 = 7, a2 = 8; for n ? 3, an = an-1 + an-2
A. 7, 8, 15, 23, 38, 61 B. 7, 8, 15, 16, 23, 23 C. 7, 8, 56, 448, 25,088, 11,239,424 D. 7, 8, 14, 21, 28, 35
Mathematics
Solve the quadratic equation by completing the square.x2 = 5 - 8x
A. {-1 - 
, -1 + 
}
B. {-4 - 
, -4 + 
}
C. {-4 - 2
, -4 + 2
}
D. {4 + 
}
Mathematics
Use a 3D grapher to graph the function. Then estimate any relative extrema.f(x, y) = ex + ey
A. No relative extrema B. Relative minimum = 0 C. Relative minimum = 2 D. Relative minimum = 2e
Mathematics