Mark's Video Tutorials
These are some of the videos that are available on our YouTube channel. Mark describes how to work through problems using true understanding, without fancy "tricks" and shortcuts that don't work for every scenario. If you have a suggestion for what to cover in a future video, let us know! You can also leave a comment on YouTube for any video below.
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These videos and more are available on our YouTube channel here!
Precalculus
Sketching Hyperbolas and Ellipses
Join Mark as he walks through some conic section problems.
Included in this video:
- How to determine axis length
- How to find the center
- Refresher on Completing the Square
- Sketching ellipses and hyperbolas
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Algebra 1
Convert Quadratic expression to Vertex Form
This video will show you how to convert a quadratic equation from vertex to standard form using two different methods.​
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Geometry
Circle Portions and Proportions
Mark shows that the proportions of a sector are the same, whether we're looking at the central angle, arc length, or sector area. It's easier than it looks at first!
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ACT/SAT
Linear Inequality Graphing
Mark shows how to narrow down the answer choices on a question from the ACT about linear inequalities and graphing.
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