Graph Y=Kx

In the equation y = kx , how do you find k? (constant of proportionality)

• x divided by y

• y minus x

• x minus y

• y divided by x

Identify the constant of proportionality.

• 0.14

• 7

• 2

• 6

What is the equation for the following graph? Remember y divided by x!

• y=25x

• y=0.025x

• y=40x

• y=160x

Using the graph above, determine the constant of proportionality.

• k = 0
• k = 1
• k = 3
• k = 6

Using the info on the graph, what would be a good prediction for the amount of distance for 8 hours?

• 300

• 280

• 320

• 400

Using the graph above, determine how long the sloth would crawl in 7.5 minutes?

• 1.5 feet

• 6 feet

• 13.5 feet

• 45 feet

Which of the following rates of change represents the graph shown?

• 2 boys for every 1 girl
• 0.5 boys for every 1 girl
• 6 boys for every 1 girl
• 3 boys for every 1 girl

Which statement below accurately represents the graph? How much do they earn per hour?

• $100 is earned for each hour worked
• $200 earned for every 2 hours worked: $100 per hour

• $500 is earned for every 8 hours worked: $62.50 per hour

• $300 is earned after working 4 hours: $75 per hour

Identify the slope of the graph. Write your answer as y=kx

• y=7x

• y=72x

• y=0.125x

• y=8x

What is Miguel's rate of savings? What is the equation from the graph?

• $10 per day: y =10x

• $15 per week: x = 15y

• $15 per month: y = 15x

• $15 per year: y = 15x