Find a polynomial of least degree with only real coefficients and having the given zeros.6, -10, and 2 + 3i
A. f(x) = x4 - 8x3 - 18x2 + 146x - 780
B. f(x) = x4 - 73x2 + 292x - 780
C. f(x) = x4 - 8x3 + 18x2 - 146x + 780
D. f(x) = x4 - 63x2 + 292x - 780
Answer: D
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Solve the problem by writing and solving a suitable system of equations.A chemistry department wants to make 3 liters of a 17.5% basic solution by mixing a 20% solution with a 15% solution. How many liters of each type of basic solution should be used to produce the 17.5% solution?
A. 0.5 liter of 15% and 2.5 liters of 20% B. 1 liter of 15% and 2 liters of 20% C. 2 liters of 15% and 1 liter of 20% D. 1.5 liters of each
Add, subtract, or multiply, as indicated. Express your answer as a single polynomial in standard form.3x2(x3 - x + 9)
A. 3x5 + 3x3 + 27x2 B. 3x6 - 3x3 + 27x2 C. 3x5 - 3x3 + 27x2 D. 3x5 - 3x3 + 27
?Determine the convergence or divergence of the series 
. Use a symbolic algebra utility to verify your result.
??
A. ?The series diverges. B. ?The series converges.
Evaluate the polynomial.x2 + 3y2 + 2xy for x = 5 and y = 3
A. 52 B. 97 C. 82 D. 55