Analyzing Descent and Temperature Changes

The video tutorial covers graphing linear relationships through various word problems. It begins with an introduction to the concept, followed by examples including a battery charging, Mr. Mole's digging, pizza heating, and Wilbur's plane descent. Each problem is explained with a focus on identifying the y-intercept and slope, and plotting the graph accurately. The tutorial emphasizes understanding the relationship between variables and how changes in one affect the other.

What is the initial percentage charge of the battery when it is connected to the charger?

• 40%

• 10%

• 20%

• 30%

How much does the battery charge increase per minute?

• 5%

• 4%

• 3%

• 2%

What is the y-intercept of the graph representing the battery's charge over time?

• 25%

• 15%

• 10%

• 20%

At what elevation does Mr. Mole start his descent?

• -10 meters

• -5 meters

• -3 meters

• 0 meters

How many meters does Mr. Mole descend per minute?

• 1 meter

• 2 meters

• 3 meters

• 4 meters

What is Mr. Mole's elevation after 5 minutes of digging?

• -20 meters

• -25 meters

• -15 meters

• -10 meters

What is the rate at which the oven heats the pizza?

• 5°C per minute

• 6.5°C per minute

• 7.5°C per minute

• 8°C per minute

What is the desired temperature of the pizza after heating?

• 70°C

• 85°C

• 75°C

• 80°C

How long does it take for the pizza to reach the desired temperature?

• 14 minutes

• 16 minutes

• 12 minutes

• 10 minutes

What is the initial temperature of the pizza before heating?

• 0°C

• 20°C

• -10°C

• 10°C