Applications of Slope and Intercept

This lecture series explores the meaning of slope and intercepts in the context of real-life situations. Watch the videos and complete the interactive exercises.

Linear equations word problems: tables - Questions

1. Suraj took a slice of pizza from the freezer and put it in the oven. The pizza was heated at a constant rate.

The table compares the pizza's temperature (in degrees Celsius) and the time since Suraj started heating it (in minutes).

Time (minutes)	Temperature (degrees Celsius)
$1$	$2.5$
$7$	$47.5$
$13$	$95.5$

How fast was the pizza heated?

2. Suraj took a slice of pizza from the freezer and put it in the oven. The pizza was heated at a constant rate.

The table compares the pizza's temperature (in degrees Celsius) and the time since Suraj started heating it (in minutes).

Time (minutes)	Temperature (degrees Celsius)
$4$	$25$
$6$	$40$
$8$	$55$

How long did it take the pizza to reach $100$ degrees Celsius?

3. Julia got a delivery order. She took some time to get ready, and then she rode her bicycle at a constant speed.

The table compares the distance Julia made (in kilometers) and the time since she got the order (in minutes).

Distance (kilometers)	Time (minutes)
$5$	$40$
$7$	$52$
$9$	$64$

How long did it take Julia to ride $1$ kilometer?

4. Julia got a delivery order. She took some time to get ready, and then she rode her bicycle at a constant speed.

The table compares the distance Julia made (in kilometers) and the time since she got the order (in minutes).

Distance (kilometers)	Time (minutes)
$6$	$46$
$8$	$58$
$10$	$70$

How long did it take Julia to get ready for a delivery?