Lines in Context

What is the temperature at 4 hours?

What is the temperature at 7 hours?

What is the slope of this function?

What does the slope represent in this situation?

• The temperature starts at 35 degrees at 9 am.

• The temperatures rises 35 degrees per hour.

• The temperature rises 5 degrees per hour.

• The temperature rises 10 degrees per hour.

What is the y-intercept of this graph?

What does the y-intercept represent in this situation, beginning at 9 am?

• The temperature is 35 degrees at 9 am.

• The temperature is rising 10 degrees per hour.

• The temperature is 35 degrees at midnight.

• The temperature is rising 1 degree per hour.

• The temperature is rising 35 degrees per hour.

Which function models this graph?

• y = 35x + 1

• y = 35x + 10

• y = 10 x + 35

• y = 1x + 35

At what time is the temperature 50 degrees, if the graph starts at 9 am?

• 1:30 am

• 1:30 pm

• 10:30 am

• 10:30 pm

What is the slope of this graph?

What does the slope represent in this situation?

• $40 per week spent on candy

• $1 spent every 2 weeks on buying candy

• $40 he started with before buying candy

• $2 spent per week to buy candy