Math Fortress
Algebra II: Quadratic Equations - Factoring (Level 6 of 10)
This video continues covering the proper way to solve quadratic equations of the form ax^2+bx+c=0 by factoring. This video goes over 5 slightly harder examples that require algebraic manipulation, collecting like terms and expanding...
Math Fortress
Algebra II: Quadratic Equations - Factoring (Level 7 of 10)
This video continues covering the proper way to solve quadratic equations of the form ax^2+bx+c=0 by factoring. This video goes over an example where the coefficient of the quadratic term is greater than 1. This video covers two common...
Math Fortress
Algebra II: Quadratic Equations (Level 1 of 3)
This video goes over the basic theory and terminology for the purpose of solving quadratic equations. Topics covered include: types of quadratic equations, the standard form of a quadratic equation, and solutions of quadratic equations.
Math Fortress
Algebra II: Quadratic Equations - Factoring (Level 2 of 10)
This video continues covering the general procedure in solving quadratic equations by factoring. This video goes over 3 examples modeling the proper way to factor quadratic equations of the form ax^2+bx=0 and using the zero product...
Math Fortress
Algebra II: Quadratic Equations - Factoring (Level 3 of 10)
This video continues covering the general procedure in solving quadratic equations by factoring. This video goes over 3 slightly harder examples modeling the proper way to factor quadratic equations of the form ax^2+bx=0. In addition,...
Math Fortress
Algebra II: Quadratic Equations (Level 2 of 3)
This video goes over 5 examples covering the basic notation, concepts, graphs and algorithms to solve quadratic monomials of the form ax^2=0, and quadratic binomials of the form ax^2+c=0.
Math Fortress
Algebra II: Quadratic Equations - Factoring (Level 4 of 10)
This video is an introduction to solving quadratic equations of the form ax^2+bx+c=0 by factoring. This video goes over 2 examples modeling the proper way to factor quadratic trinomials that are factorable over the integers.
Math Fortress
Algebra II: Quadratic Equations - Factoring (Level 1 of 10)
This video is an introduction to solving quadratic equations by factoring. This video goes over 6 examples modeling the proper way to use the zero product property as a basis to solve quadratic equations by factoring.
Math Fortress
Algebra II: Quadratic Equations - Factoring (Level 10 of 10)
This video concludes the series on solving quadratic equations of the form ax^2+bx+c=0 by factoring. This video goes over four slightly more challenging examples where the coefficient of the quadratic term is greater than 1.
Math Fortress
Algebra II: Quadratic Equations - Factoring (Level 5 of 10)
This video continues covering the proper way to solve quadratic equations of the form ax^2+bx+c=0 by factoring. This video goes over 2 examples where the constant of the quadratic equation is negative. In addition, an example introducing...
Math Fortress
Algebra II: Quadratic Equations - Factoring (Level 8 of 10)
This video continues covering the proper way to solve quadratic equations of the form ax^2+bx+c=0 by factoring. This video goes over an example where the coefficient of the quadratic term is greater than 1. The example involves an...
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.
Math Fortress
Algebra II: Quadratic Equations - Factoring (Level 9 of 10)
This video continues covering the proper way to solve quadratic equations of the form ax^2+bx+c=0 by factoring. This video goes over two examples where the coefficient of the quadratic term is greater than 1. The first example involves...
Curated OER
Parabola Focus and Directrix 1
Starting with a point (focus) and a line below the point (directrix), in this video, Sal tries to find the set of all points (locus) equidistant to the point and the line. He shows, using the distance formula, that indeed, we have an...