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y=kx.  What does the k represent?

• constant of proportionality

• multiplier

• unit rate

• all of the above

Is this table proportional or non-proportional?

• Proportional
• Non-Proportional

Identify the constant of proportionality.

• k = 6

• k = 12

• k = 1/6

• k = 1/12

• none (not proportional)

Write the equation for the table given.

• y = 1/3x
• y = 3x
• y = 1/2x
• y=x

Identify the constant of proportionality.

• k = 5

• k = 1/5

• k = 1

• k = 2.5

• none (not proportional)

Is the graph proportional or non proportional?

• proportional
• non proportional

A proportional relationship can be written as an equation in the form =  ​ ​

• y = k+x

• y = k/x

• y = kx

Is the given table a proportional relationship? If so, what is the constant?

• Yes; 1/3
• Yes; 3
• Yes; 5
• No

Write the equation for the table given.

• y = 16x
• y=8x
• y=12x

What is the constant of proportionality for this table?

• $1/9 per hour
• $9 per hour
• $8 per hour