practice

Write the equation for the table given

• y = 1/3x
• y = 3x
• y = 1/2x
• x = 3y

In the equation y = 14x, what is the constant of proportionality?

• y
• x
• 14

If the constant of proportionality is 10, which of the following is the correct proportional equation?

• 10=kx
• 10=k
• y=10k
• y=10x

Write an equation that represents this graph? 

• y = 18x
• y = 36x
• y = 54x
• y = 72x

Which equation shows a NON-proportional relationship of x and y?

• y = 5x
• y = -5.6x
• y = x + 3
• y = 1/2x

Find the unit rate.
Julio walks 3.5 miles in 1.25 hours

• 2.5 miles per hour
• 3.25 miles per hour
• 3 miles per hour
• 2.8 miles per hour

Does the graph show a proportional relationship? 

• Yes, it linear and goes through the origin
• Yes, it's linear
• Yes, it goes through the origin
• Yes, the line is pretty

Does the graph show a proportional relationship? 

• No, it's a curved line
• No, it's a pretty line
• Yes, if you connect the line, it is kind of straight.
• Yes, the dots are pink

Which equation shows a proportional relationship?

• y = 5x + 9
• x = 5y - 10
• y = 5x
• x = 5y + 48

Is the graph proportional or non proportional?

• proportional
• non proportional