Unit Rate and Slope Worksheet
Grade 9 Math worksheet covering unit rate calculations, identifying slope from graphs and tables, and applying slope-intercept form.
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Unit Rate and Slope
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Read each question carefully and answer to the best of your ability. Show all your work for full credit.
1. A car travels 240 miles on 8 gallons of gas. What is the car's fuel efficiency in miles per gallon?
2. A store sells 5 pounds of apples for $7.50. What is the unit price of the apples per pound?
3. What is the slope of the line shown in the graph below?
2
-2
1/2
-1/2
4. The slope of a line passing through the points (2, 5) and (6, 13) is .
5. A line passes through (1, 7) and (4, 7). The slope of this line is .
6. The equation y = 3x - 5 has a slope of 3.
True
False
7. In the equation y = -x + 4, the y-intercept is 4.
True
False
8. A plumber charges a $50 service fee plus $30 per hour. Write an equation in slope-intercept form (y = mx + b) to represent the total cost (y) for x hours of work.
9. What does the slope represent in the equation you wrote for question 8?