Lesson 4.2 Constant Rates of Change

Lesson 4.2 Constant Rates of Change

Aim: Identify and represent proportional relationships

Proportion

• a statement that two ratios are equivalent (equal)

Proportional Relationship

When the ratio of one quantity to another is constant (the same)

Rate of Change

• A rate that describes how one quantity changes in relation to another quantity

• In a proportional relationship, the rate of change is constant

Multiple Choice

Does the table represent a proportional relationship?

• yes
• no

Multiple Choice

What is the reciprocal of 7?

• 1/2

• 7/1

• 2

• 1/7

Multiple Select

What ratio is equivalent to 4:5? Select all that apply.

• 8:10

• 20:25

• 5:6

• 1:5/4

Multiple Choice

Which best describes the graph represented in this table?

•  proportional
• non-proportional

Multiple Choice

Does the graph represent a proportional relationship?

• yes
• no

Multiple Choice

Does the table represent a proportional relationship?

• yes
• no