Solve the problem.1 - i is a solution of a quadratic equation with real coefficients. Find the other solution.
A. 1 + i
B. -1 - i
C. 1 - i
D. -1 + i
Answer: A
Mathematics
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Simplify by adding or subtracting like terms.19x - 7y + 7 - 6x - 2 - 5y
A. -13x - 2y + 5 B. 13x - 2y + 5 C. -13x - 12y + 5 D. 13x - 12y + 5
Mathematics
Using a calculator, find to the nearest ten-thousandth.e-0.86
A. 2.3632 B. 0.4677 C. -2.3377 D. 0.4232
Mathematics
Factor the expression.6m1/2 + 9m-1/2
A. m1/2(6m + 9) B. m-1/2(6m - 9) C. m-1/2(6m1/2 + 9) D. m-1/2(6m + 9)
Mathematics
Find the indicated composition.f(x) = x2 + 9; g(x) = 4x - 3Find (f ? g)(x).
A. (f ? g)(x) = 4x2 + 33 B. (f ? g)(x) = 16x2 - 24x + 18 C. (f ? g)(x) = 16x2 - 12x + 18 D. (f ? g)(x) = 16x2 - 24x + 9
Mathematics