square root 67 videos

Radicals and Absolute Values
Algebra 2 Roots and Radicals
How to know when to include a absolute value when simplifying a square root.
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Solving an Equation with Radicals
Algebra 2 Roots and Radicals
How to solve an equation with a square root.
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More Roots of Complex Numbers
Precalculus Polar Coordinates and Complex Numbers
How to find the roots of a complex number quickly using four simple guidelines.
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Invertible Square Matrices and Determinants
Precalculus Systems of Linear Equations and Matrices
How to determine whether a square matrix is invertible using its determinant.
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Rectangle and Square Properties
Geometry Polygons
How to define a rectangle and a square.
equiangular polygon congruent diagonals bisect regular quadrilateral angle bisectors 
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.
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Factoring: Special Cases Part I
Algebra Factoring
How to factor perfect square trinomials.
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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.
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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 
Simplifying Radical Expressions
Algebra Radical Expressions and Equations
How to simplify radicands.
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The Inverse of a Square Matrix
Precalculus Systems of Linear Equations and Matrices
How to determine whether two matrices are inverses.
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Perimeter
Geometry Geometry Building Blocks
How to define perimeter and calculate it for squares, rectangles, and circles.
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Square Matrices
Precalculus Systems of Linear Equations and Matrices
How to determine whether two matrices can be multiplied, and if so, what the dimensions of the product will be.
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2x2 Determinants
Precalculus Systems of Linear Equations and Matrices
How to compute the determinant of a 2x2 square matrix.
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Vocabulary of Quadratic Polynomials
Algebra Quadratic Equations and Functions
How to label the roots of a quadratic polynomial, solutions to a quadratic equation, and xintercepts or roots of a quadratic function.
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Vocabulary of Quadratic Polynomials
Algebra 2 Quadratic Equations and Inequalities
How to label the roots of a quadratic polynomial, solutions to a quadratic equation, and xintercepts or roots of a quadratic function.
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Adding and Subtracting Radical Expressions
Algebra Radical Expressions and Equations
How to add and subtract radical expressions.
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Introduction to Imaginary Numbers
Algebra 2 Roots and Radicals
How to define an imaginary number.
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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.
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