Interpreting Linear Functions

If the table of a linear function shows a pattern of increasing by 2 each time, what is the slope of the function?

• 5

• 3

• 4

• 2

How can you identify a linear function from a set of data points in a table?

• Check if the data points form a perfect circle

• Look for patterns in the data that are not linear

• Calculate the sum of all data points

• Check if the rate of change between any two points is constant.

Which company shows a greater rate of change?

• Water's Edge Rafts

• Ryan's Rafts

Dorothy loves to make cakes.  The following table shows how the number of eggs that she has left changes as she makes cakes.
What is the meaning of the y-intercept?

• She uses 5 eggs for every 2 cakes.

• She started with 47 eggs.

• She uses 47 eggs for every 0 cakes.

• She started with 5 eggs.

What is the meaning of the y-intercept?

• The weight in the bucket increases by 1 pound per pound of sand.

• Before sand is put in the bucket, it weighs 1 pound.

• The starting weight of the sand is 1 pound.

• The weight in the bucket decreases by 1 pound per pound of sand.

The equation of the trend line
is  y= 1/2x +1. What does the x variable represent? 
   

• The number of laps

• The amount of time in hours

• The amount of time in minutes

• How long it takes to go 0 laps

The equation y=10x represents the amount of allowance, y, in dollars, that Jacob receives for doing x hours of chores. Which statement interprets the slope of this equation?

• Jacob does chores for $0 per hour.

• Jacob does chores for $10 per hour.

• Jacob receives $0 of allowance money before doing any chores.

• Jacob receives $10 of allowance money before doing any chores.

The graph shows the candle's height (cm) as it burns (minutes).  What does the slope MEAN?

• The candle burns 1 cm every minute.

• The candle burns 2 cm every 2 minutes.

• The candle burns 2 cm every minute.

• The candle burns 1 cm every 2 minutes.

The graph shows the height (cm) of a candle as it burns, what does the y-intercept mean?

• Candle starts at 9 cm.

• Candle start at 4.5 cm

• Candle starts at 0 cm.

• The candle ends at 5 cm

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