SOLUTION: Which of the following is a foci of the conic section with the equation ?
X^2/16-Y^2/4=1
A. (2√5, 0)
B. (0, 2√5)
C. (2√3, 0)
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Question 747274: Which of the following is a foci of the conic section with the equation ?
X^2/16-Y^2/4=1
A. (2√5, 0)
B. (0, 2√5)
C. (2√3, 0)
Answer by MathLover1(20850) (Show Source): You can put this solution on YOUR website!
The formula to determine the focus of a parabola is just the Pythagorean theorem. is the distance to the focus
given: ; so, => and
and => and
then
since foci at (,) => (,)
answer is: A. (2√5, 0)
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