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Use the Quadratic Formula to Solve For yy In the Following Equation

Question 102

Multiple Choice

Use the Quadratic Formula to solve for yy in the following equation.
81x2108xy+36y240x50y=081 x ^ { 2 } - 108 x y + 36 y ^ { 2 } - 40 x - 50 y = 0


A) 54x25±108x+206536\frac { - 54 x - 25 \pm \sqrt { - 108 x + 2065 } } { 36 }
B) 2(54x+25) ±108x+826036\frac { 2 ( 54 x + 25 ) \pm \sqrt { - 108 x + 8260 } } { 36 }
C) 54x+25±4140x+62536\frac { 54 x + 25 \pm \sqrt { 4140 x + 625 } } { 36 }
D) 108x+50±54x+350572\frac { 108 x + 50 \pm \sqrt { - 54 x + 3505 } } { 72 }
E) 108x50±54x+394072\frac { - 108 x - 50 \pm \sqrt { - 54 x + 3940 } } { 72 }

Correct Answer:

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