[ALG 2] More Quadratic Formula Examples

More practice problems involving the quadratic formula.  These are special cases where the discriminant =0 and is a perfect square.

[ALG 2] Quadratic Equation!

This is a typical quadratic equation problem.  The answers are irrational and the simplification process is also demonstrated.

[PHYS] Ch4. sample 4d Crate of books on sidewalk

This problem demonstrates how to find the acceleration of a crate of books being drug across a sidewalk.  This is a multiple step problem involving friction.  Enjoy and study.

[ALG 2] Complex number examples

More simplifying complex numbers.

[PRE CALC] Hero's Formula

This video explains how to use Hero's Formula to find the area of a triangle.  Use this when you only have the measurements of the three sides.  No height nor angles are needed.  Enjoy!

[PHYS] Net External Force

This is a short video on how to find the net external force of a book sliding off a table.

[PRE CALC] Golf shot problem

This is a golf shot problem involving the law of cosines.  Give it a shot lol.

[PRE CALC]Law of Cosines intro problem

OOOH yes the law of Cosines.  This is a long video, but it's a complex problem to understand at first.  Please watch over and over.

ALG 2 More simplifying Imaginary numbers.

Slightly more difficult examples of simplifying imaginary numbers.  Enjoy with popcorn.

ALG 2 Simplifying Imaginary Numbers

ALG 2 Video on simplifying Imaginary numbers.  There are 3 examples here.  Please learn them.

Problem 34 Law of Sines

This is a type of problem that students will need to understand for future tests and quizzes in Pre Calc.  This involves the Law of Sines.

Powers of Imaginary Numbers

Finding the values of "i" to different powers.  This is the how to guide.  Please practice

Law of Sines Area Problem #21

In great detail here is problem number 21 worked out.  This is a multi-step problem in finding the area of the triangle using the law of sines and area formulas.

Law of Sines: Finding Areas of Triangles.

This a quick video I did explaining how to get the formulas for the area of Triangles under the law of sines.

[ALG 2] Factoring trinomials ex 2

This is another example of how to properly factor a trinomial with the leading coefficient not equal to 1.  Please watch and get a handle on this method of factoring.

[ALG 2] Factoring trinomials

This is a video showing how to factor Trinomials when the leading coefficient isn't =1.  Please learn and study this method.  Even though it is long and painful at first, it will save you a bunch of time overall.

The Law of Sines Demo problem

This is a brand new demo of  the Law of Sines.