Connecting proportional relationships and the equation of a straight line

Is the graph proportional or non proportional?

• proportional
• non proportional

The table shows the relationship between y, the cost to rent a boat, and x, the amount of time the boat is rented. Which graph best represents the relationship between x and y shown in the table? (7.7A)

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Does the equation show a proportional relationship?

• Yes
• No

• Proportional

• Non-Proportional

Which graph represents the relationship between x and y in the equation y = 3x?

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Which equation matches the given graph?

• y=0.25x
• y=0.4x
• y = 4x
• k = 2.5x

A delivery driver delivers 75 packages per day. Which graph correctly represents the relationship?    

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Which statement below accurately represents the graph?

• $100 is earned for each hour worked
• $200 earned for every 2 hours worked
  is the unit rate
• $500 is earned for every 8 hours worked
• $250 is earned after working 3 hours

Estimate the y-intercept of the trend line by looking at the graph.

• 2
• 1.8
• 1.2
• 0

Which graph is a nonproportional relationship?

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