Non-Proportional Relationships

Tim paid $50 to join the local gym. He then pays $10 a month to work out. Which equation shows this relationship?

• y = 10x + 50

• y = 50x + 10

• y = 10 + 50

• y = 10x

The ____________________is the point at which the line crosses the y-axix.

Kim pays a $250 fee to join the Art Guild. She then has to pay $30 for each art show she enters. How much would she pay if she enters 5 art shows?

• $1,280

• $280

• $400

• $285

Rob paid $1,000 to go on a cruise. He then paid $50 each for the on-shore activities. What would be the total cost if Rob does 3 activities during his cruise?

• $3,050

• $3,000

• $150

• $1,150

What is the y-intercept of this graph?

• (0,0)

• (0,10)

• (0,9)

• (4,12)

What is the y-intercept of this graph?

• (2,2)

• (0,0)

• (-2,0)

• (0,1)

What is the slope of this equation?

• -7

• 5

• -5/7

• 7

What is the y-intercept of this equation?

• 16

• 3

• -16

• 3/16

Jan paid a $45 fee to sign up for a grocery delivery service. Each time she has her groceries delivered, it costs just $5. What would the total cost be if Jan had her groceries delivered 12 times?

• $540

• $225

• $60

• $105

What type of slope is this?

• positive

• negative

• zero slope

• undefined