matrices square matrices 55 videos

Solving Quadratic Equations Using Square Roots
Algebra Quadratic Equations and Functions
How to solve quadratic equations using square roots.
square root 
Solving Quadratic Equations Using Square Roots
Algebra 2 Quadratic Equations and Inequalities
How to solve quadratic equations using square roots.
square root 

Rectangle and Square Properties
Geometry Polygons
How to define a rectangle and a square.
equiangular polygon congruent diagonals bisect regular quadrilateral angle bisectors 
Solving Linear Systems Using Matrix Algebra
Precalculus Systems of Linear Equations and Matrices
How to convert a system of linear equations into a matrix equation and solve it.
matrices square matrices matrix equation coefficient matrix inverse matrix identity matrix matrix multiplication 
Deccimal Approximations of Square Roots
PreAlgebra Decimals and Percents
Finding decimal approximations of square roots without a calculator

Factoring: Special Cases Part I
Algebra Factoring
How to factor perfect square trinomials.
FOIL difference of perfect squares perfect square trinomial 
Finding the Vertex of a Parabola by Completing the Square
Algebra 2 Quadratic Equations and Inequalities
How to find the vertex of a parabola.
vertex form completing the square parabola 
Finding the Vertex of a Parabola by Completing the Square
Precalculus Equations of Lines, Parabolas and Circles
How to find the vertex of a parabola.
vertex form completing the square parabola 
Solving an Equation with Radicals
Algebra 2 Roots and Radicals
How to solve an equation with a square root.
radical equation squaring both sides 
Perimeter
Geometry Geometry Building Blocks
How to define perimeter and calculate it for squares, rectangles, and circles.
perimeter of a square rectangle and circle 
Introduction to Radicals
Algebra 2 Roots and Radicals
How to know when to include a plus and minus on a square root problem.
simplifying square roots 
Introduction to Systems of Equations
Algebra Solving Systems of Equations
How to solve a system of equations.
system of equations solution to a system of equations substitution elimination matrices 
Pythagorean Theorem Proofs
Geometry Pythagorean Theorem
How to prove the Pythagorean Theorem using Algebra to show the area of the smaller square plus the area of four triangles is equal to the area of the larger square.
right triangle area of a square binomial squared area of a triangle side leg hypotenuse 
Pythagorean Theorem Proofs
Trigonometry Pythagorean Theorem
How to prove the Pythagorean Theorem using Algebra to show the area of the smaller square plus the area of four triangles is equal to the area of the larger square.
right triangle area of a square binomial squared area of a triangle side leg hypotenuse 
Radicals and Absolute Values
Algebra 2 Roots and Radicals
How to know when to include a absolute value when simplifying a square root.
absolute value square roots even root odd power 
Binomial Theorem
Precalculus Topics in Discrete Math
How to define factorial expressions used in the binomial theorem.
square root 
Binomial Theorem
Algebra 2 Polynomials
How to define factorial expressions used in the binomial theorem.
square root 
Multiplying Polynomials: Special Cases
Algebra Polynomials
How to recognize special products of polynomials.
perfect square trinomial difference of perfect squares binomial 
Simplifying Radical Expressions
Algebra Radical Expressions and Equations
How to simplify radicands.
square root radicand radical