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 - 3x3 + 5x2 - x - 10
C. f(x) = x4 - x3 + x2 + 9x - 10
D. f(x) = x4 - x3 + 3x2 - 5x - 10
Answer: B
You might also like to view...
Use the rules for exponents to rewrite the expression and then evaluate the new expression. 
A. 
B. -4
C. 2
D. - 
Multiply the complex numbers and simplify powers of i.(9 - 3i)(2 + 4i)
A. 30 - 30i B. -12i2 + 30i + 18 C. 6 - 42i D. 30 + 30i
Solve the problem.A conical tank is resting on its apex. The height of the tank is 
, and the radius of its top is 
. The tank is full of gasoline weighing
How much work will it take to pump the gasoline to the top? Give your answer to the nearest ft ? lb.
A. 96,981 ft ? lb B. 2969 ft ? lb C. 20,782 ft ? lb D. 9,856,140 ft ? lb
Find a so that the statement is true.
a = __________
Fill in the blank(s) with the appropriate word(s).