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Using slope and intercepts in context


Tanvir graphed the relationship between the number of rotations of the screwdriver and the height of a screw head above a piece of wood.
A first quadrant coordinate plane. The horizontal axis is from zero to twenty-one with a scale of one and is titled Number of rotations. The vertical axis is from zero to thirty-six with a scale of four and is titled Screw head height in millimeters. The graph of the line is y equals negative one point six x plus thirty point four. The graphs ends at each axis.
What does the slope represent in this context?
Choose 1 answer: