Finding Constant

Front

What is the initial value in a situation where Tim bought a new phone for $125 and pays $50 per month?

Back

The initial value is $125.

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

Front

What does a constant rate of change represent in a real-world scenario?

Back

A constant rate of change represents a consistent amount of increase or decrease over time.

Tags

CCSS.HSF-LE.A.1B

Front

What is the rate of change in Tim's phone payment situation?

Back

The rate of change is $50 per month.

Tags

CCSS.HSF-LE.A.1B

Front

What is the constant rate of change if Tim pays $41 per month?

Back

The constant rate of change is $41 per month.

Tags

CCSS.HSF-LE.A.1B

Front

What makes a graph proportional?

Back

A graph is proportional if it is a straight line that goes through the origin.

Tags

CCSS.7.RP.A.2D

Front

If $100 is earned for each hour worked, what is the unit rate?

Back

The unit rate is $100 per hour.

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

How do you calculate the total cost of Tim's phone after 6 months?

Back

Total cost = Initial value + (Monthly payment x Number of months) = $125 + ($50 x 6) = $425.

Tags

CCSS.HSF.BF.A.2

Front

What does it mean if a graph is a straight line?

Back

A straight line indicates a constant rate of change.

Tags

CCSS.HSF-LE.A.1B

Front

If a person earns $500 for every 8 hours worked, what is their hourly wage?

Back

Hourly wage = Total earnings / Total hours = $500 / 8 = $62.50 per hour.

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

What is the formula for finding the total cost in a situation with a constant rate?

Back

Total cost = Initial value + (Rate of change x Time).

Tags

CCSS.HSF.LE.B.5