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Secant of a Circle

In the picture on the left, the dark green line intersects the circle at two points, point K and point J. The line is a secant becuase it intersects the circle twice.

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How to solve Absolute Value Equations

How to Solve Absolute Value Inequalities

Types of Angles

Transversals and Intersecting Lines

Complementary Angles

Elevation and Depression

Supplementary Angles

Vertical Angles

AveragesBinomial TheoremCalculators and Solvers

Binary, Hexadecimal & Decimal Calculator (Converts between binary, hex , decimal)

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Divisibility Rules Calculator

Greatest Common Factor Calculator (Calculates GCF of any two numbers) Free

Mortage Calculator (free online mortgage rate calculator)

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Quadratic Formula Calculator and Solver (Watch Quadratic formula in action)

Square Root Calculator Reduces numbers to simplest radical form (free)

Free online Tutorials on how to use TI graphing Calcultors

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Cartesian Grid

Interactive Ordered Pairs

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Create a Pie Chart with the Chart Make: Make your own pie chart!

Create A Pie Chart with the Chart MakerCircles (equations, formulas, theorems )

Equation of a circle (Standard Form)

Imaginary Numbers (how to simplify imaginary numbers)

absolute value of complex numbers

How to multiply complex numbers (complex conjugates etc...)

How to divide complex numbers

Multiplicitive invers of a complex number

How to solve equations with complex numbers

Compound Interest

Continuously Compounded Interest (formula &how to calculate)

Conic Sections

Equation of Ellipse

Graph and equation of Hyperbola:

Graph of parabola

Free Math Help : Forum Distance Formula

Interactive Distance Formula

Divisibility Rules and Tests

Quiz and Practice on divisibility rules

Ellipse (equation, foci, graph, formula, axes, vertex)

focus of ellipse

eccentricity

translation of ellipse

orbit of planets (real world ellipses)

as a circle

area of ellipse

laws of exponents

how to solve exponential equations

Exponential Growth Functions (graph, equation, formula)

Exponential growth of populations (how exponential growth functions model real world population growth)

Intective demonstration of Exponential Growth

Exponential Decay functions(graph, equation, formula)

Fractions

Complex Fractions

how to rationalize the denominator

Free Math HelpFormlas : Alphabetical list of math formulasLE

Slope Intercept Form

linear equations in the real world

Slope

Interactive Slope

Parallel and perpendicular lines
- Erroneous Slope

System of Linear Equations

y-intercept of a line

Practice finding the y-intercept

Absolute value functions (linear) : graph & equation

Absolute value inequality functions (linear) : graph & equation

Linear InequalitiesInteractive Linear Inequality

Systems of Linear Inequalities

Interactive System of Linear Inequalities

Logic, Truth Values and Mathematical Statements Matrix (dimensions, notation, rows, columns, addition, subtraction)

How to multiply matrix

Matrix Linear Translation

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Arithmetic Mean, sometimes just called "mean" or "average"

Median

Interactive Mean/Median Activity

Numbers

Complex Numbers (more detail at C above)

Imaginary Numbers

Rational and Irrational

Order of Operations

Order of operations in SAT probleems

Parabolas (How to Graph and Plot)

Interactive Parabola(Click and drag to see formula, equation and graph change)

Vertex and Standard Form Equation of a Parabola

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Inverse of a Parabola (The Square Root Function)

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rectangle : shape, theorems, properties

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rectangle vs. square

comparison of properties of each type of paralleogram

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how to solve and graph quadratic inequality

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Evaluating functions in math

Composition of functions

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Horizontal Line Test

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Inverse of a parabola: Square Root Function

Adding, Subtracting, Dividing and Multiplying Mathematical Functions

Vertical Line Test

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RatiosScientific NotationTransformations in Math

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Interactive Triangle

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Law of Cosines: formula explained with examples

Graph & formula of Unit Circle.

graph of sin(θ)

period of sin(θ) and cos(θ)

translate sine & cosine graphs

s = rθ

pythagorean identitites

angle sum formula

angle difference formula

double angle formula

Vectors in Math

Resultant Vector

Worksheets and Activities Free online math worksheetsMath Store, books, games, puzzlesbuy movie onlinebuy video gamesWord problems on buying video gamesWord problems on buying moviesprobability of dependent eventsprobability of independent eventslaw of sinesambiguous case of the law of sines addition property of equalityisosceles triangle