Linear Graphs Real World

At what rate did the rain fall?

• 2 cm per hour

• ¹/₄ cm per hour

• ¹/₂ cm per hour

• 4 cm per hour

What is the situation of the linear graph?

• The beaker is being filled.

• The beaker is being emptied.

• The beaker is remaining the same amount

What is the meaning of the coordinate (4, 74)?

• At 74 hours, the temperature of the tank is 4 degrees.

• At 4 hours, the temperature of the tank is 74 degrees.

• After 4 hours the temperature of the take is 47 degrees.

Which of the following situations could be described by the equation y= -25x + 120

• There are 120 people in the football stadium, and 25 more are entering each hour.

• A plumber charges $25 for a house call and $120 per hour.

• A teacher has 120 students. Her third period has 25 students

• There are 120 gallons of water in a tank. It releases water at a rate of 25 gallons per minute

A strong cold front blew through during the night.  The temperature outside began to drop rapidly.  The graph shows the temperature at each hour after the cold front blew through.  What is the rate of change of the graph?

• 2.5°F per hour

• 0.2°F per hour

• -0.2°F per hour

• -2.5°F per hour

What is the rate of change for the following graph?

• 80

• 20

• 40

• 160

Which statement matches the graph?

• Taylor can write 6 words per minute

• Taylor can write 25 words per minute

• Taylor can write 50 words per minute

• Taylor can write 150 words per minute

A strong cold front blew through during the night.  The temperature outside began to drop rapidly.  The graph shows the temperature at each hour after the cold front blew through.  What was the initial temperature recorded?

• 80 degrees

• 55 degrees

• 35 degrees

• 2.5 degrees

• 80 hours

What is the meaning of the slope of this graph?

• when the gas take is empty

• starting amount of gas

• rate at which the gas take empties

• the starting mileage

How much time has passed when 3cm of rain has fallen?

• 1

• ^1.5

• ²

• 2.5

• 3