Multiple Choice

A quality control analyst uses the quadratic equation y=5x2+x+4y = 5x^2 + x + 4 to model the variance in a manufacturing process. When checking for x-intercepts to determine if the variance ever reaches zero, which specific finding from the discriminant calculation (b2−4acb^2 - 4ac) confirms that this model has no x-intercepts?

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Updated 2026-09-17

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