Jam Campus
The Dividing Fractions Song (Parody of Taylor Swift - Bad Blood)
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Math Fortress
Algebra II: Quadratic Equations (Level 3 of 3)
This video goes over 7 examples covering the proper way to solve quadratic equations of the form a(px+q)^2=0 and a(px+q)^2+c=0, the common method used to solve quadratic equations of these forms is by taking the square root.
Curated OER
Introduction to Ratios (new HD version)
Sal defines ratios. Then he shows how to write ratios three different ways. This concept is then demonstrated with four examples for finding quantities by using ratios.