SOLUTION: Find the foci for each equation.
1) 4x^2 + 9y^2 = 36
2) 36x^2 + 4y^2 = 144
3) 36x^2 + 8y^2 = 288
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Question 427971: Find the foci for each equation.
1) 4x^2 + 9y^2 = 36
2) 36x^2 + 4y^2 = 144
3) 36x^2 + 8y^2 = 288
Answer by robertb(5830) (Show Source): You can put this solution on YOUR website!
1) ==> a = 3, b = 2 ==> c = ==> the foci are (, 0) and (, 0).
2) ==> a = 6, b = 2 ==> c = ==> the foci are (0, ) and (0, ).
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