Interpreting Slope and y-Intercept in Equations

What does the equation y = 7.5x + 40 represent in the context of Colton's experiment?

• The relationship between the temperature and the boiling point of water.

• The relationship between the volume of water and its temperature.

• The relationship between the number of minutes and the temperature of the water.

• The relationship between the number of minutes and the volume of water.

What does the coefficient 7.5 in the equation y = 7.5x + 40 represent?

• The initial temperature of the water.

• The rate at which the temperature of the water increases per minute.

• The boiling point of the water.

• The total time taken to heat the water.

Tags

CCSS.HSF.LE.B.5

In the equation y = 7.5x + 40, what does the value 40 represent?

• The rate of temperature increase per minute.

• The boiling point of the water.

• The initial temperature of the water.

• The total time taken to heat the water.

Tags

CCSS.HSF.LE.B.5

What is the temperature of Colton's pot of water after 16 minutes?

• 120 degrees Fahrenheit

• 140 degrees Fahrenheit

• 160 degrees Fahrenheit

• 180 degrees Fahrenheit

How do you calculate the temperature of the water after a certain number of minutes using the equation y = 7.5x + 40?

• Divide the number of minutes by 7.5 and add 40.

• Subtract 40 from the number of minutes and multiply by 7.5.

• Multiply the number of minutes by 7.5 and add 40.

• Multiply the number of minutes by 40 and add 7.5.

Tags

CCSS.HSF.LE.B.5

What is the boiling point of water in degrees Fahrenheit?

• 200 degrees Fahrenheit

• 160 degrees Fahrenheit

• 212 degrees Fahrenheit

• 100 degrees Fahrenheit

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.A.1

After 16 minutes, the temperature of the water is 160 degrees Fahrenheit. How much additional time is needed for the water to reach 212 degrees Fahrenheit?

• 5 minutes

• 7 minutes

• 9 minutes

• 11 minutes

What is the first step to find the additional time needed for the water to boil after 16 minutes?

• Subtract 40 from 212.

• Add 40 to 212.

• Divide 212 by 7.5.

• Multiply 212 by 7.5.

Tags

CCSS.7.EE.B.4A

What is the result of dividing 172 by 7.5?

• 25.93

• 23.93

• 22.93

• 24.93

Tags

CCSS.5.NBT.B.7

How do you round 22.93 to the nearest minute?

• 21

• 22

• 23

• 24

Tags

CCSS.5.NBT.A.4