Unit 3 Skills Pre Algebra

Which best describes the equation?
y = 75x

• Proportional
• Nonproportional

Which best describes this equation?
y= 3.75x + 2

• Proportional 
• Non-proportional

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.

Does this graph represent a proportional relationship?

• Yes, because the line is pretty.
• No, because the line goes through the origin.
• Yes because the line goes through the origin.
• No, because the graph is non-proportional.

Which graph is non-proportional?

• A
• B
• C
• D

Which best describes the table?

• proportional
• non-proportional

Is this table proportional?

• Yes
• No

Which statement best describes the relationship between x and y in the table?

• Proportional
• Not Proportional

What is the y-intercept for the following table and is it proportional or non-proportional?

• Proportional, y-intercept is 0
• Non-proportional, y-intercept is 6
• Proportional, y-intercept is undefined
• Non-proportional, y-intercept is 3

What is the y-intercept of the graph and is it proportional or non-proportional?

• Proportional, y-intercept is 8 miles
• Non-proportional, y-intercept is 8 miles
• Proportional, y-intercept is 8 hours
• Non-proportional, y-intercept is 8 hours