Exploring Slope-Intercept Form Word Problems

This video tutorial from Education Lifeline focuses on solving word problems using the slope-intercept form equation, y = mx + b. It includes two examples: calculating the daily cost of renting a car and determining the initial amount of water in a tank. The video guides viewers through identifying variables and solving for unknowns, emphasizing the importance of understanding the context of each problem. Viewers are encouraged to watch previous videos for a comprehensive understanding.

What is the formula for the slope-intercept form?

• x = my + b

• y = bx + m

• x = by + m

• y = mx + b

What does 'm' represent in the slope-intercept form?

• Initial fee

• Cost per day

• Number of days

• Total cost

How is the initial fee represented in the slope-intercept form?

• y

• b

• x

• m

What was the total cost for renting the car?

• $90

• $270

• $180

• $45

How much does it cost per day to rent the car?

• $270

• $180

• $90

• $45

What does 'b' represent in the context of the water tank problem?

• Minutes

• Gallons per minute

• Total gallons

• Initial gallons

What is the rate of water flow into the tank?

• 172 gallons per minute

• 47 gallons per minute

• 25 gallons per minute

• 5 gallons per minute

How long was water added to the tank?

• 47 minutes

• 172 minutes

• 5 minutes

• 25 minutes

What is the total amount of water in the tank after adding water?

• 172 gallons

• 47 gallons

• 125 gallons

• 5 gallons

How many gallons were in the tank before more water was added?

• 47 gallons

• 5 gallons

• 125 gallons

• 172 gallons