precalculus

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Use the elimination method to find all solutions of the system of equations. (Order your answers from smallest to largest x, then from smallest to largest y.)

x − y2 + = 0

2x2+ y2 −9 = 0

  • precalculus -

    add the equations.

    x+2x^2-9=0

    2x^2+x-9=0

    x=(-1+-sqrt(1+72))/4

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