Determine the coordinates of the focus and the equation of the directrix of the parabola.x2 + 8y = 0
A. F(0, -2), x = 2
B. F(0, -2), y = 2
C. F(0, -2), y = -2
D. F(-2, 0), y = 2
Answer: B
Mathematics
You might also like to view...
Find the exact value of the trigonometric expression without the use of a calculator.cos
A.
B.
C.
D. -
Mathematics
Write a formula for the general term, or nth term, for the given sequence.-3, 9, -27, 81, . . .
A. an = -3(-3)n B. an = -9n-1 C. an = -3 + (-3)n D. an = -3(-3)n-1
Mathematics
The first card is a diamond and the second is also a diamond.
Two cards are dealt without replacement from a well-shuffled deck of cards. Find the probability of each event.
Mathematics
Find the given value.Find (f ? g)(3) when f(x) = and g(x) = x + 4.
A.
B.
C.
D.
Mathematics