Proportional Relationships and Rate of Change

What is a ratio in which the second quantity is 1?

• Ratio

• Rate

• Unit Rate

• Constant of proportionality

• Proportional Relationship

What is the ratio that remains constant throughout a set of data that is proportional?

• Ratio

• Rate

• Unit Rate

• Constant of proportionality

• Proportional Relationship

What point must a graph cross through to be proportional?

• x intercept

• y intercept

• origin (0.0)

• k

What must be true about a proportional relationship?

• The ratio of y to k must be constant

• The ratio of y to x must be constant

• The ratio of x to k must be constant

• the ratio of y to x increases over time

What does a proportional graph look like?

• coordinates

• a scatter plot

• a point

• a line

What is the unit rate in this proportional relationship?

• 60 miles/1 hour

• 120 miles/ 2 hours

• 1 mile/ 1 hour

What is the constant of proportionality (in miles per hour) based on the table?

• 45

• 90

• 135

• 2

What is the constant of proportionality for this table?

• 1/9

• 9

• 8

Which best describes the graph represented in this table?

•  proportional

• non-proportional

Is this table proportional or non-proportional?

• Proportional

• Non-Proportional