Solve the problem.Is the complex number 
a solution of the equation 
Explain.
A. No; because (2 - 4i)2 - 4(2 - 4i) ? -20
B. Yes; because (2 - 4i)2 - 4(2 - 4i) = -20
C. No; because (2 - 4i)2 - 4 ? -20
D. Yes; because (2 - 4i)2 - 4 = -20
Answer: B
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Find the date due and the maturity value. Use banker's interest.
A. Date Due: September 18 Maturity value: $9,359.43 B. Date due: September 18 Maturity value: $9,538.02 C. Date Due: September 19 Maturity value: $9,899.22 D. Date Due: September 18 Maturity value: $9,432.62
Solve the problem.Decide whether or not the points are the vertices of a right triangle.(-13, 8), (-2, -3), (0, -1)
A. Yes B. No
Find all of the real and imaginary zeros for the polynomial function.f(x) = x4 + 15x3 + 49x2 - 15x - 50
A. -1, 1, 5, 10 B. -10, -5, -1, 1 C. -5, -1, 1, 10 D. -10, -5, 1, 1
Solve the triangle given below. Do not round results during calculations. (For answers, round lengths to three significant digits and angles to the nearest tenth of a degree).A = 78.5°, b = 45.6 m, a = 14.1 m
A. B = 38.0°, C = 63.5°, c = 11.3 m B. B = 63.5°, C = 38.0°, c = 22.7 m C. B = 38.0°, C = 58.4°, c = 22.7 m D. B = 43.1°, C = 58.4°, c = 32.6 m E. No solution.