Mathematics, 06.07.2019 15:10 dearash1730

Which equations represent hyperbolas? a) 2x2 + 16x + 2y2 + 14y − 9 = 0 b) 2x2 + 4x − 5y2 − 10y + 57 = 0 c) -x2 + 5x − 7y2 + 2y − 81 = 0 d) x − 2y2 + 4y + 15 = 0 e ) -x2 + 12x + 3y2 + 7y + 11 = 0

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Which equations represent hyperbolas? a) 2x2 + 16x + 2y2 + 14y − 9 = 0 b) 2x2 + 4x − 5y2 − 10y +...

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