MATH 101

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Quadratic Equations

 

Solving a quadratic equation by factoring: example 1 -- 6 min 22 sec

Solving a quadratic equation by factoring: example 2 --3 min 19 sec

Solving a quadratic equation by factoring: example 3 -- 5 min 54 sec

Solving a quadratic equation by factoring: example 4 -- 8 min 21 sec

 

Solving quadratic equations by square roots -- 11 min 3 sec

Solving simple quadratic: example -- 2 min 18 sec

 

Solving quadratic equations by completing the square -- 14 min 6 sec

Completing the square (old school) -- 13 min 45 sec

Completing perfect square trinomials: example -- 3 min 28 sec

Completing the square: example 1 -- 3 min 22 sec

Completing the square: example 2 -- 5 min 24 sec

Completing the square: example 3 -- 6 min 14 sec

Completing the square: example 4 -- 9 min 31 sec

Completing the square: example 5 -- 5 min 44 sec

 

Deriving the Quadratic formula -- 7 min 44 sec

How to use the quadratic formula -- 16 min 32 sec

Quadratics in standard form: example -- 2 min 21 sec

Using the quadratic formula: example 1 -- 5 min 34 sec

Using the quadratic formula: example 2 -- 6 min 40 sec

Using the quadratic formula: example 3 -- 4 min 59 sec

Using the quadratic formula: example 4 -- 5 min 53 sec

Using the quadratic formula: example 5 -- 4 min 51 sec

 

Complex roots for a quadratic -- 10 min 15 sec

Discriminant of quadratic equations -- 10 min 14 sec

Discriminant for types of solutions for a quadratic -- 4 min 37 sec

 

 

 

 

 

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