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5 September, 13:15

Y=-x^2-x-3 find the X intercept for The parabola define by this equation

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  1. 5 September, 13:42
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    To find the X intercept make y = 0. Then factor out a negative on the side with the equation for each of the terms, so it becomes

    0 = - (x^2+x+3)

    0 = (x^2+X+3)

    0-3 = (x^2+X)

    -3=x (X+1)

    -3=X, X intercept - 3,0

    -3 = (X+1)

    -4=X, X intercept - 4,0.

    These are possible X intercepts you can check by using quadratic formula as well.
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