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Identify the Conic by Writing the Equation in Standard Form 25x2+4y2400x+72y+1824=025 x ^ { 2 } + 4 y ^ { 2 } - 400 x + 72 y + 1824 = 0

Question 70

Multiple Choice

Identify the conic by writing the equation in standard form. 25x2+4y2400x+72y+1824=025 x ^ { 2 } + 4 y ^ { 2 } - 400 x + 72 y + 1824 = 0


A) (x+4) 248+(y8) 284=1\frac { ( x + 4 ) ^ { 2 } } { \frac { 4 } { 8 } } + \frac { ( y - 8 ) ^ { 2 } } { \frac { 8 } { 4 } } = 1 ; ellipse
B) (x8) 284+(y+4) 284=1\frac { ( x - 8 ) ^ { 2 } } { \frac { 8 } { 4 } } + \frac { ( y + 4 ) ^ { 2 } } { \frac { 8 } { 4 } } = 1 ; ellipse
C) (x8) 248+(y+4) 284=1\frac { ( x - 8 ) ^ { 2 } } { \frac { 4 } { 8 } } + \frac { ( y + 4 ) ^ { 2 } } { \frac { 8 } { 4 } } = 1 ; ellipse
D) (x8) 24+(y+9) 225=1\frac { ( x - 8 ) ^ { 2 } } { 4 } + \frac { ( y + 9 ) ^ { 2 } } { 25 } = 1 ; ellipse
E) (5x8) 2+(2y+9) 2=1783( 5 x - 8 ) ^ { 2 } + ( 2 y + 9 ) ^ { 2 } = - 1783 ; circle

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