Write the fraction or mixed number as a decimal. Round to the nearest thousandth if necessary.48
A. 487.45
B. 48.745
C. 0.021
D. 4.875
Answer: B
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Factor the polynomial.125s3 + 1
A. (5s + 1)(25s2 - 5s + 1) B. (5s - 1)(25s2 + 5s + 1) C. (5s + 1)(25s2 + 1) D. (125s + 1)(s2 - 5s + 1)
Form a polynomial f(x) with real coefficients having the given degree and zeros.Degree: 4; zeros: -1, 2, and 1 - 2i.
A. f(x) = x4 - 3x3 - 3x2 + 7x + 6 B. f(x) = x4 - x3 + 3x2 - 5x - 10 C. f(x) = x4 - x3 + x2 + 9x - 10 D. f(x) = x4 - 3x3 + 5x2 - x - 10
Find the linear factorization of the polynomial and find all roots of the polynomial. f(x) = x4 - 6x3 + 33x2 - 150x + 200
A. f(x) = (x - 2)(x + 5)(x - 4i)(x + 4i), roots: 2, - 5, -4i B. f(x) = (x + 5)(x - 4)(x - 2i)(x + 2i), roots: - 5, 4, -2i C. f(x) = (x - 2)(x - 4)(x + 5i)(x - 5i), roots: 2, 4, ± 5i D. f(x) = (x - 2)(x - 4)(x2 + 25), roots: 2, 4, ± 5i
Factor completely. If the polynomial is prime, then state this as your answer.6x2 - 26x - 20
A. 2(3x - 2)(x + 5) B. 2(3x + 2)(x - 5) C. (6x + 4)(x - 5) D. prime