
Introduction to average rate of change (video) | Khan Academy
On a position-time graph, the slope at any particular point is the velocity at that point. This is because velocity is the rate of change of position, or change in position over time. Here, the average velocity …
Average rate of change review (article) | Khan Academy
Average rate of change is basically the slope formula with two points from the function. If you have two points and calculate the slope, it doesn't matter which point you designate as (x1,y1) vs (x2,y2).
Calculating the rate of change of a linear function
Learn how to calculate the **rate of change** (also called the **slope**) of a linear function three ways — in a table, on a graph, and as an equation.
Worked example: average rate of change from equation
So if you want to find your average rate of change, you want to figure out how much does the value of your function change, and divide that by how much your x has changed.
Worked example: average rate of change from graph
Average rate of change is the same as the slope between 2 points. Find the ordered pairs for the start point (x1,y1) and end point (x2,y2) of the interval. Then, use the slope formula to calculate the …
Finding average rate of change of polynomials - Khan Academy
Learn how to calculate the average rate of change of a function over a specific interval. Discover how changes in the function's value relate to changes in x. Use tables and visuals to understand the …
Tangent lines and rates of change
In this section, we will study the rate of change of a quantity and how is it related geometrically to secant and tangent lines.
Worked example: average rate of change from table
Finding the average rate of change of a function over the interval -5<x<-2, given a table of values of the function. Created by Sal Khan.
Approximating instantaneous rate of change with average rate of …
Let's see. 54 divided by 2 is 27. So it's 27.4. So we can use that as our approximation for the instantaneous rate of change for the slope of the tangent line. And now we have to actually figure out …
Sign of average rate of change of polynomials - Khan Academy
Discover how to find the average rate of change in polynomials. Learn to identify intervals with positive average rates of change by comparing function values at different points. See how this concept …