Multiple Choice

A maintenance technician is monitoring the pressure drop in a hydraulic system. At minute 3, the pressure is 6 PSI, and at minute 5, the pressure has dropped to 4 PSI. To calculate the rate of change (slope) between these two data points, (5, 4) and (3, 6), which of the following represents the correct substitution into the slope formula m=y2−y1x2−x1m = \frac{y_2 - y_1}{x_2 - x_1}?

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Updated 2026-09-17

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