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OpenStudy (anonymous):
What are the foci of the ellipse given by the equation 100x2 + 64y2 = 64,000? a. (0, ±6) b. (±6, 0) c. (0, ±36) d. (±36, 0)
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OpenStudy (tkhunny):
Divide by 64,000 to put it in Standard Form and it should be more obvious.
OpenStudy (anonymous):
I got (0,+-6)
OpenStudy (tkhunny):
Awesome. Too bad I have no idea how you managed that. What was your process?
OpenStudy (anonymous):
Honestly I dont know used a ellipse calculator
OpenStudy (tkhunny):
Really? Will that be availble on your exam? Would you like to learn it?
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OpenStudy (anonymous):
Yes Id like to know how to get the answer without the calculator
OpenStudy (tkhunny):
Okay, put it in Standarad Form. Divide by 64,000. What do you get?
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