Solve the problem.Find the foci and asymptotes of the following hyperbola:9y2 - x2 = 9
A. Foci: (0, ), (0, -
); Asymptotes: y =
x, y = -
x
B. Foci: (0, 10), (0, -10); Asymptotes: y = 3x, y = -3x
C. Foci: (0, ), (0, -
); Asymptotes: y = 3x, y = -3x
D. Foci: (, 0), (-
, 0); Asymptotes: y =
x, y = -
x
Answer: A
Mathematics
You might also like to view...
Solve the inequality.x2 - 6x ? -8
A. x ? 2 B. x ? 2 or x ? 4 C. x ? 4 D. 2 ? x ? 4
Mathematics
Multiply.(-5x - 2)2
A. -5x2 + 20x + 4 B. -5x2 + 4 C. 25x2 + 20x + 4 D. 25x2 + 4
Mathematics
Find the sum. -
+
- . . .
A.
B.
C. -
D. Does not exist
Mathematics
Solve the right triangle using the information given. Round answers to two decimal places, if necessary.b = 2, c = 7; Find a, ?, and ?.
A. a = 7.28 ? = 16.6° ? = 73.4° B. a = 6.71 ? = 73.4° ? = 16.6° C. a = 7.28 ? = 17.6° ? = 72.4° D. a = 6.71 ? = 16.6° ? = 73.4°
Mathematics