Quiz Ch 1

What is the constant of proportionality for this table?

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

• Yes; 1/3
• Yes; 3
• Yes; 5
• No

Identify the constant of proportionality.

• k = 2

• k = 3

• k = 1.50

• k = 2/3

• none (not proportional)

Which of the tables above represents a proportional relationship?

• a & c
• a, b & c
• a, c & d
• all of them

This is proportional. Write the constant of proportionality in simplified fraction form. For example, if the answer is one half write 1/2.

What is the constant of proportionality? (Unit rate)

• 2 swings / 1 day

• 0.5 swings / 1 day

• 4 swings / 1 day

• None of the above

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

Find the unit rate of 624 calories in 3 servings.

• 1,872 calories per serving
• 208 calories per serving
• 624 calories per serving
• 621 calories per serving

Adrian earns extra money as a lifeguard. He earns $37 for 4 hours and $64.75 for 7 hours.  What is the constant of proportionality?  Do not use a $ in your answer. Just write the number.

Which graph is proportional? (Do not answer the question ABOVE the graphs.)

• A
• B
• None of the graphs
• All of the graphs are proportional