Multiple Choice

A quality control technician uses the equation y = 9x^2 + 12x + 4 to model the curvature of a specialized lens, where y is the depth of the lens surface at a horizontal distance x from the center. The technician needs to identify the x-intercept where the lens surface meets the base frame (y = 0). Which coordinate point represents this location?

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Updated 2026-09-17

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