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Use the Quadratic Formula to Solve For yy x2+xy+4y2+x+y4=0x ^ { 2 } + x y + 4 y ^ { 2 } + x + y - 4 = 0

Question 497

Multiple Choice

Use the Quadratic Formula to solve for yy . x2+xy+4y2+x+y4=0x ^ { 2 } + x y + 4 y ^ { 2 } + x + y - 4 = 0


A) y=(x+1) ±(x1) 28(x2x+4) 4y = \frac { ( x + 1 ) \pm \sqrt { ( x - 1 ) ^ { 2 } - 8 \left( x ^ { 2 } - x + 4 \right) } } { 4 }
B) y=(x+1) ±(x+1) 28(x2+x+4) 4y = \frac { - ( x + 1 ) \pm \sqrt { ( x + 1 ) ^ { 2 } - 8 \left( x ^ { 2 } + x + 4 \right) } } { 4 }
C) y=(x+1) ±(x+1) 28(x2+x4) 4y = \frac { - ( x + 1 ) \pm \sqrt { ( x + 1 ) ^ { 2 } - 8 \left( x ^ { 2 } + x - 4 \right) } } { 4 }
D) y=(x+1) ±(x+1) 28(x2+x4) 4y = \frac { ( x + 1 ) \pm \sqrt { ( x + 1 ) ^ { 2 } - 8 \left( x ^ { 2 } + x - 4 \right) } } { 4 }
E) y=(x+1) ±(x+1) 2+8(x2+x4) 4y = \frac { - ( x + 1 ) \pm \sqrt { ( x + 1 ) ^ { 2 } + 8 \left( x ^ { 2 } + x - 4 \right) } } { 4 }

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