Proportional Reasoning and Slope

Does this graph represent a proportional relationship?  

• No, because it doesn't pass through the origin.

• Yes, because it doesn't pass through the origin.

• Yes, because it intersects the y axis.

• No, because it intersects the x axis.

Is the table proportional?

• Yes

• No

Which statement below accurately represents the graph?

• $100 is earned for each hour worked

• $100 is earned for every 2 hours worked

• $500 is earned for every 8 hours worked

• $200 is earned for every 3 hours worked

Mr. Keys made $90 in 5 hours.  What is the unit rate?  

• $18 per hour

• $1 in 18 hours

• $90:5h

• 5 to 90

Match the following proportional situations to their slope. m represents the slope.

• m=120

• 240 bricks, y, are needed to build 2 walls, x. Which slope best represents this relationship?

• m=26

• 20 pieces of velcro are needed to hang up 5 posters. What slope could represent the unit rate for pieces of velcro per poster?

• m=4

• A swimmer swims 26 lapes each minute. What slope could represent this situation?

• m=2

• There are 6 fights in 3 days. What slope could represent the amount of fights each day.

Find the slope of the line

• -5/4

• 5/4

• -4/5

• 4/5

What is the slope of the line shown? What is the equation of the line shown? What is the meaning of the slope in the context of this problem?

• Slope: 1.2

  Equation: y = 1.2x

  1.2 miles per hour

• Slope: 6

  Equation: y = 6x

  6 miles per hour

• Slope: 12

  Equation: y = 12x

  12 miles per hour

Which slope does does this line have

• Positive because the line is pointing up.

• Positive because the line is pointing down.

• Negative because the line is pointing up.

• Negative because the line is pointing down.

Find the slope.

• -5/3

• -3/5

• 5/3

• 3/5