Decide what number must be added to the binomial to make a perfect square trinomial.x2 - 18x
A. 41
B. 162
C. -9
D. 81
Answer: D
Mathematics
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Decide whether the sets are equivalent.{?} and {x : x is a state in the U.S. with a minimum voting age of 64}
A. No B. Yes
Mathematics
Provide an appropriate response.What is wrong with the following?
= 
= 24x2 - 12x + 1
What will be an ideal response?
Mathematics
Solve the problem.Let f(x) = x1.82 - x1.3. Approximate f(2.72) to the nearest hundredth.
A. x ? -0.29 B. x ? -0.11 C. x ? 3.06 D. x ? 2.51
Mathematics
Give all solutions of the nonlinear system of equations, including those with nonreal complex components. 2x2 + xy + 2y2 = 23x2 - 5xy + 3y2 = 3
A. {(1, 0), (-1, 0)} B. {(1, 0), (-1, 0), (0, 1), (0, -1)} C. {(1, 0), (0, 1)} D. {(1, 0)}
Mathematics