Interpreting Slope and y-intercept

Interpreting Slope and y-intercept

Practice Given a Graph

The Bath Tub

Billy Bob has an ancient bathtub that drains slower than the dickens. He filled up his tub and then let the water drain out to see how long it would take to drain. The graph below represents the number of gallons of water remaining in the tub and the time in minutes.

Fill in the Blanks

Fill in the Blanks

Open Ended

What do the numbers in the slope represent in the context of the problem?

Fill in the Blanks

Open Ended

What do the values (x,y) of the x-intercept mean in the context of the problem?

Fill in the Blanks

Open Ended

What do the values (x,y) of the y-intercept mean in the context of the problem?

Fill in the Blanks

Practice Given an Equation

Open Ended

The cost to rent a car is $50 plus $0.10 per mile. Interpret the slope.

Open Ended

The cost to rent a car is $50 plus $0.10 per mile. Interpret the y-intercept.

Time to practice on your own!