True: The slope is 3, The rate of change is 200 meters per minute, The slope is zero, This not a proportional relationship, y = 45x is proportional relationship, The line of a proportional relationship must go through the origin, The y-intercept is -3, The line goes through the origin, , , , , , False: The slope is positive, The line goes through the origin, The slope of a vertical line is zero, b = 4, The rate is 50 km/hour, The dependent variable is shown on the x-axis, The line x = 3 is horizontal, The line y = 2x + 3 is proportional,

Slope and Proportional Relationships

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