Rate of Change and Initial Value Warm up 12/16

Front

What is the rate of change?

Back

The rate of change is a measure of how much a quantity changes in relation to another quantity. It is often expressed as a ratio, such as '2 burgers per person'.

Front

Back

Front

Back

Front

What is the initial value when Tim paid $125 for a phone and $50 per month?

Back

The initial value is the amount paid on the day of purchase, which is $125.

Front

Back

Front

Define 'rate of change' in a real-world context.

Back

In a real-world context, the rate of change can describe how quickly something is increasing or decreasing, such as speed (distance over time) or cost (price per item).

Front

How do you find the initial value from a linear equation?

Back

Front

What does a negative rate of change indicate?

Back

A negative rate of change indicates that as one quantity increases, the other quantity decreases. For example, if the rate of change is -14, it means for every increase in x, y decreases by 14.

Front

If a function has a rate of change of 4, what does this mean?

Back

A rate of change of 4 means that for every unit increase in x, y increases by 4 units.

Front

Back

The initial value is 10, which is the value of y when x=0.