Find an equation for the parabola described.Vertex at (4, 8); focus at (4, 6)
A. (y - 8)2 = -8(x - 4)
B. (x - 4)2 = 8(y - 8)
C. (x - 4)2 = -8(y - 8)
D. (y - 8)2 = 8(x - 4)
Answer: C
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Form a polynomial f(x) with real coefficients having the given degree and zeros.Degree: 5; zeros: 2, -3i, and 4 - i
A. f(x) = x5 - 10x4 + 26x3 -124 x2 - 72x - 306 B. f(x) = x5 - 10x4 - 42x3 -124 x2 + 297x + 306 C. f(x) = x5 - 10x4 + 26x3 -124 x2 + 72x + 306 D. f(x) = x5 - 10x4 + 42x3 -124 x2 + 297x - 306
Add.6 + (-3) + (-22)
A. -19 B. 25 C. -13 D. 31
Find the indicated probability.College students were given three choices of pizza toppings and asked to choose one favorite. The following table shows the results.
Find the probability that a randomly selected student prefers cheese toppings.
A. 0.338 B. 0.342 C. 0.329 D. 0.116
Rationalize the denominator and simplify. Assume that all variables represent positive real numbers.
A. 
B. 
C. 13
D. 