RADICALS AND QUADRATIC EQUATIONS 1/5 Finding the x-intercept(s) and the vertex of a parabola Find the x-intercept(s) and the coordinates of the vertex for the parabola y=x²+8x+16. If there is more than one x-intercept, separate them with comma x-intercept(s): 0 0.0 X 5 ? vertex: GD

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