Algebra

Coordinates are used in games & navigation.  Take a look at this chess board.

Algebra Topics:   http://www.purplemath.com/modules/index.htm

Domain & Range:     https://www.geogebra.org/m/Kxx9bXyT

Midpt Formula:         https://www.youtube.com/watch?v=Ez_-RwV9WVo

Midpt Fractions:       https://www.youtube.com/watch?v=Cd5C6YtP4dE

Distance Formula:    https://www.youtube.com/watch?v=j6dF2yZBti8

Solving Linear Eqs:  https://m.youtube.com/watch?v=fDMxOiS5g7k

The FOIL Method:     https://m.youtube.com/watch?v=BVRKoEqa1bg

Long Division Exs:    https://www.youtube.com/watch?v=l6_ghhd7kwQ

Rational Eqs - Pt 1:    https://m.youtube.com/watch?v=9OZDe-TGZMQ

Rational Eqs - Pt 2:   https://m.youtube.com/watch?v=b2d8Aw5P0Ak

Simple Inequals:       https://m.youtube.com/watch?v=0X-bMeIN53I 

Abs. Value Ineqs:      https://m.youtube.com/watch?v=GlSt9M3v6ik 

Complex Fracts Pt2:  https://m.youtube.com/watch?v=aMswqN951OY

Basic Radical Eqs:    https://m.youtube.com/watch?v=7Ix7xoz3Gvw

Adv. Radical Eqs:      https://m.youtube.com/watch?v=V8I2_zgNRHI