Write the product in standard form.i(8 - 6i)(7 - 4i)

A. 74 + 32i
B. 80 - 10i
C. 24i3 + 74i2 + 56i
D. -74 - 32i


Answer: A

Mathematics

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Use Cramer's rule to solve the system.y = - x + y = - 2x + 2

A. {(2,-6)} B. {(-2, 6)} C. {(-6,-2)} D. {(6, -2)}

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Evaluate the integral.

A.  tan6 x + C
B.  tan8 x + C
C. 6 sec2 x tan6 x + C
D. 6 sec6 x + C

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Factor completely.20x2 - 3x - 9

A. (4x + 3)(5x - 3) B. cannot be factored C. (20x - 3)(x + 3) D. (4x - 3)(5x + 3)

Mathematics

Use the quadratic formula to solve the equation.p2 + p - 9 = 0

A. -1 ± 
B.
C.
D.

Mathematics