Quiz 3 Review

What is the unit rate/constant of proportionality?

• 80 miles in 1 hours

• 20 miles in 1 hours

• 40 miles in 1 hours

• 160 miles in 1 hours

Which statement matches the graph?

• Taylor can write 6 words per minute
• Taylor can write 25 words per minute
• Taylor can write 50 words per minute
• Taylor can write 150 words per minute

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

• Proportional
• Not Proportional

What is the unit rate in this proportional relationship?

• 60 miles/1 hour
• 120 miles/ 2 hours
• 1 mile/ 1 hour

Find the constant of proportionality on this table of values.

• k=3

• k=1

• k=0

• k=4

What makes a graph proportional?

• Straight Line
• The line goes through (0,0)
• Curvy line
• Straight line and passes through (0,0)

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

• y
• x
• 14
• y=14

What is the equation y=kx for the table?

• y=1/3x
• y=3x
• y=5x
• y=1/5x

Will spent $3.75 for 3 pounds of granola. What is his unit rate in dollars per pound?

• $.50 per pound

• $1.25 per pound

• $3 per pound

• $2.50 per pound

You're throwing a party, and you ordered 15 pizzas for your guests. Your total came to $97.50. What was your unit cost per pizza?

• $4.95 per pizza

• $5.75 per pizza

• $7.25 per pizza

• $6.50 per pizza