Instructional Video2:41
Brian McLogan

Graph a Piecewise Function With a Hole

12th - Higher Ed
👉 Learn how to graph piecewise functions. A piecewise function is a function which have more than one sub-functions for different sub-intervals(sub-domains) of the function's domain. To graph a piecewise function, we graph the different...
Instructional Video
Khan Academy

SAT Prep: Test 1 Section 6 Part 4

9th - 12th
Number 11 in the practice section of The Official SAT Study Guide begins with finding the perimeter of a given triangle. Once students solve this multiple-choice question, they can find ways to solve the additional problems on the page,...
Instructional Video
Virtual Nerd

Virtual Nerd: What Is a Relation?

9th - 10th Standards
Discover what a relation is through a set of ordered pairs. [0:50]
Instructional Video
Sophia Learning

Sophia: Algebra I: Average Rate of Change

9th - 10th Standards
This video lesson introduces and demonstrates how to find the average rate of change for a function. Students can check their understanding with an assessment. [11:31]