Use the rational zero theorem, Descartes's rule of signs, and the theorem on bounds as aids in finding all real and imaginary roots to the equation.6x3 + 19x2 + 8x - 5 = 0
A. - 1, 
, 
B. 
, multiplicity 2; - 
C. - 1, - 
, 
D. - 
, - 
, 
Answer: C
Mathematics
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Simplify the expression. If necessary, express the result that is not a rational number as a decimal rounded to two decimal places.4
A. 48 B. 576 C. 96 D. 16
Mathematics
Solve the inequality. Express your answer using interval notation.|x - 5| - 1 ? 2
A. [2, 8] B. no solution C. (-?, 2) or (8, ?) D. [-2, 2]
Mathematics
Write the expression in the standard form a + bi.If z = 5 + 5i and w = -8 + i, evaluate 
.
A. 13 + 4i B. 13 - 4i C. -13 - 4i D. -3 + 6i
Mathematics
Use FOIL to multiply.(4x - 11)(x - 7)
A. 4x2 - 40x + 77 B. x2 - 39x - 40 C. x2 + 77x - 39 D. 4x2 - 39x + 77
Mathematics