Exploring Negative Slopes: Real-World Math Problems

A car is traveling down a hill that has a slope of -3. If the car starts at a height of 150 meters, how far will it travel horizontally when it reaches a height of 90 meters? Write the equation that represents this situation.

• 25 meters

• 15 meters

• 30 meters

• 20 meters

The temperature in a city decreases by 2 degrees every hour. If the temperature is currently 20 degrees, write an equation to represent the temperature after h hours. What will the temperature be after 5 hours?

• 12 degrees

• 10 degrees

• 15 degrees

• 8 degrees

Tags

CCSS.HSF-BF.A.1A

A company's profit decreases by $500 each month. If the profit was $2000 in January, write an equation to model the profit over time. How much profit will the company have in April?

• $500

• $1500

• $200

• $1000

Tags

CCSS.HSF-BF.A.1A

A bike rental shop charges a flat fee of $15 and an additional $3 for every hour rented. Write an equation to represent the total cost C for h hours. If a customer pays $24, how many hours did they rent the bike?

• 1 hour

• 2 hours

• 4 hours

• 3 hours

Tags

CCSS.7.EE.B.4A

A student’s grades decrease by 5 points for every missed assignment. If the student starts with a grade of 85, write an equation to represent the grade after m missed assignments. What will the grade be after 4 missed assignments?

• 80

• 65

• 75

• 70

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

A plant's height decreases by 1.5 cm each week due to lack of sunlight. If the plant is currently 30 cm tall, write an equation to represent its height after w weeks. How tall will the plant be after 6 weeks?

• 25 cm

• 18 cm

• 21 cm

• 15 cm

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

A mountain trail descends at a rate of -4 meters for every 1 meter traveled horizontally. If a hiker starts at an elevation of 200 meters, write an equation to represent the elevation after x meters traveled horizontally. What will the elevation be after 50 meters?

• -50 meters

• 100 meters

• 0 meters

• 150 meters

Tags

CCSS.HSF-BF.A.1A

A stock's value decreases by $10 each week. If the stock is currently valued at $150, write an equation to model its value over time. What will the stock's value be after 8 weeks?

• 60

• 80

• 70

• 100

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

A water tank is leaking at a rate of 2 liters per hour. If the tank starts with 100 liters of water, write an equation to represent the amount of water left after t hours. How much water will be left after 12 hours?

• 76 liters

• 90 liters

• 70 liters

• 80 liters

Tags

CCSS.HSF-BF.A.1A

A runner's speed decreases by 0.5 meters per second for every lap completed. If the runner starts at a speed of 6 meters per second, write an equation to represent the speed after l laps. What will the speed be after 8 laps?

• 1 meter per second

• 4 meters per second

• 2 meters per second

• 3 meters per second

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2