1. A car travels at a speed of 60 miles per hour. What is the slope of the line representing this speed on a distance-time graph?
Answer: The slope is 60 miles per hour, which represents the unit rate of distance covered per hour.
2. A store sells 3 items for $10. What is the slope of the line representing the cost of each item on a price-quantity graph?
Answer: The slope is $10 for 3 items, which represents the unit rate of cost per item.
3. A plumber charges $50 for a service call that takes 1 hour. What is the slope of the line representing the plumber's hourly rate on a time-cost graph?
Answer: The slope is $50 for 1 hour, which represents the unit rate of cost per hour.
4. A construction worker can lay 30 bricks in one hour. What is the slope of the line representing the worker's brick-laying rate on a time-bricks graph?
Answer: The slope is 30 bricks per hour, which represents the unit rate of bricks laid per hour.
5. A recipe calls for 2 cups of flour to make 12 cookies. What is the slope of the line representing the amount of flour needed to make each cookie on an ingredients-cookies graph?
Answer: The slope is 2 cups for 12 cookies, which represents the unit rate of flour needed per cookie.
slope as unit rate practice
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