Use the zero-product property to find all complex solutions of the equation.x4 + 81x2 = 0
A. {0, -9i}
B. 
C. {±9i}
D. {0, ±9i}
Answer: D
Mathematics
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Find a polynomial function of lowest degree with rational coefficients that has the given numbers as some of its zeros.1 - i, -5
A. f(x) = x3 + 3x2 - 8x + 10 B. f(x) = x3 - 3x2 - 8x - 10 C. f(x) = x3 - 3x2 - 8x + 5 D. f(x) = x3 + 5x2 - 9x + 10
Mathematics
x? = x(0.04 ? 0.0008x ? 0.0004y) , y? = y (0.1? 0.005x ? 0.002y)
What will be an ideal response?
Mathematics
Evaluate the indicated power of i.i51
A. -i B. i C. -1 D. 1
Mathematics
Suppose f(x) is an antiderivative of 
and f(0) = 1. What is f(9)?
A. - 
B. -4
C. 13
D. 1
E. none of these
Mathematics