True/False

A civil engineer uses the equation y = x^2 - 2x - 8 to model the cross-section of a drainage swale relative to ground level, where y is the elevation and x is the horizontal distance. True or False: According to this model, the swale intersects the ground level (the x-intercepts) at the points (4, 0) and (-2, 0).

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Updated 2026-04-18

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