Find the focus and directrix of the parabola with the given equation.11x2 = 20y
A. Focus: , directrix: x = -
B. Focus: , directrix: y =
C. Focus: , directrix: y = -
D. Focus: , directrix: y = -
Answer: D
Mathematics
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Approximate the value of the square root, rounded to the indicated place. to 3 decimal places
A. 28.448 B. 809.000 C. 28.443 D. 28.440
Mathematics
Express in simplified form. Assume that all variables represent positive real numbers.
A. y4 - 6
B.
C.
D. 6y4
Mathematics
Solve the absolute value inequality. Write your answer in interval notation.|5y - 4| > -5
A.
B.
C. No solution
D. (-?, ?)
Mathematics
Simplify.( + 4)(
- 4)
A. 22
B. 2
C. 6 - 2
D. -10
Mathematics