Proportional Relationships (Pre)

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

• y
• x
• 14

Write the equation for the table given

• y = 1/3x
• y = 3x
• y = 1/2x

What is the constant of proportionality for this table?

• 1/9
• 9
• 8

What makes a graph proportional?

• Linear
• The line goes through the origin
• Curvy line
• Linear and the line goes through the origin

Find the unit rate:  $3.60 for 3 pounds of apples. How much does it cost for 1 pound of apples?

• $1.00 per pound
• $3.60 per pound
• $1.20 per pound
• $1.10 per pound

Is this graph proportional?

• Yes
• No

Is this graph proportional?

• Yes
• No

Is this table proportional?

• Yes
• No

Craig earns extra money as a lifeguard. He earns $37 for 4 hours and $64.75 for 7 hours.  What is the constant of proportionality? 

• $37
• $64.75
• $9.25
• $18.50

What does k represent in the equation y = kx?

• konkrete kids
• constant of proportionality
• kangaroos
• krispy kreme