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An Introduction to Sets Unions and Intersections , Intermediate Algebra , Lesson 26 (copy)
This tutorial explains sets, elements, unions, and intersections.
Need More Algebra Help? I highly recommend this book.
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Divisibility tests for 2, 3, 4, 5, 6, 9, 10 | Factors and multiples | Pre-Algebra | Khan Academy
Worked example of basic divisibility tests
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Greatest common factor explained | Factors and multiples | Pre-Algebra | Khan Academy
Here's a nice explanation of least common factor (or least common divisor) along with a few practice example exercises. Let's roll.
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Equivalent fractions | Fractions | Pre-Algebra | Khan Academy
Introduces the concept of equivalent fractions
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Algebra: Linear equations 4 | Linear equations | Algebra I | Khan Academy
Solving linear equations with variable expressions in the denominators of fractions
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Algebra I on Khan A...
Algebra: Linear equations 3 | Linear equations | Algebra I | Khan Academy
Linear equations with multiple variable and constant terms
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Algebra I on Khan Academy: Algebra is the la...
Algebra: Linear equations 2 | Linear equations | Algebra I | Khan Academy
Solving equations of the form AX+B=C
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Algebra I on Khan Academy: Algebra is the language through which w...
Algebra: Linear equations 1 | Linear equations | Algebra I | Khan Academy
Equations of the form AX=B
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Algebra I on Khan Academy: Algebra is the language through which we describe...
Solving a quadratic by factoring | Quadratic equations | Algebra I | Khan Academy
Factoring quadratics
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Algebra I on Khan Academy: Algebra is the language through which we describe patte...
Algebra: Equation of a line
Determining the equation of a line
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Age word problems 1 | Linear equations | Algebra I | Khan Academy
Age word problems
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Algebra I on Khan Academy: Algebra is the language through which we describe patterns...
Age word problems 2 | Linear equations | Algebra I | Khan Academy
Second set of age word problems
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Algebra I on Khan Academy: Algebra is the language through which we des...
Age word problems 3 | Linear equations | Algebra I | Khan Academy
Part 3 of the presentation on age word problems
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Algebra I on Khan Academy: Algebra is the language thro...
Algebra: graphing lines 1
Graphing linear equations
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Algebra: Slope and Y-intercept intuition
Getting a feel for slope and y-intercept
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Algebra: Slope
Figuring out the slope of a line
Algebra: Slope 2
Second part of determining the slope of a line
Algebra: Slope 3
Part 3 of slope
Adding/subtracting negative numbers | Pre-Algebra | Khan Academy
Adding and subtracting negative numbers
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Pre-Algebra on Khan Academy: No way, this isn't your run of the...
Multiplying and dividing negative numbers | Pre-Algebra | Khan Academy
Multiplying and dividing negative numbers
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Pre-Algebra on Khan Academy: No way, this isn't your run of t...
Adding and subtracting fractions | Fractions | Pre-Algebra | Khan Academy
How to add and subtract fractions.
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Speed translation | Ratios, proportions, units, and rates | Pre-Algebra | Khan Academy
Translating speed units
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Pre-Algebra on Khan Academy: No way, this isn't your run of the mill arithmetic...
Unit conversion within the metric system | Pre-Algebra | Khan Academy
Metric unit conversion
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Subtracting decimals (old) | Decimals | Pre-Algebra | Khan Academy
Subtracting decimal numbers
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Pre-Algebra o...
Dividing decimals with hundredths example 3 | Decimals | Pre-Algebra | Khan Academy
The old saying is "practice makes perfect." Let's keep practicing dividing decimals and making our divisor a whole number.
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Exponent rules part 1 | Exponents, radicals, and scientific notation | Pre-Algebra | Khan Academy
Introduction to exponent rules
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Exponent rules part 2 | Exponents, radicals, and scientific notation | Pre-Algebra | Khan Academy
2 more exponent rules with an introduction to composite problems
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Simplifying radicals | Exponents, radicals, and scientific notation | Pre-Algebra | Khan Academy
Using exponent rules to simplify radicals or square roots
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Introduction to the quadratic equation | Quadratic equations | Algebra I | Khan Academy
Introduction to using the quadratic equation to solve 2nd degree polynomial equations
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Quadratic equation part 2 | Quadratic equations | Algebra I | Khan Academy
2 more examples of solving equations using the quadratic equation
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Algebra I on Khan Academy: Algebra is...
Averages | Linear equations | Algebra I | Khan Academy
Introduction to averages and algebra problems involving averages.
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Algebra: Solving Inequalities
Solving linear inequalities.
Quadratic inequalities | Polynomial and rational functions | Algebra II | Khan Academy
Solving quadratic inequalities using factoring
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Algebra II on Khan Academy: Your studies in algebra 1 ha...
Mixed numbers and improper fractions | Fractions | Pre-Algebra | Khan Academy
Converting mixed numbers to improper fractions and improper fractions to mixed numbers
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Converting fractions to decimals | Decimals | Pre-Algebra | Khan Academy
How to express a fraction as a decimal
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Ordering numeric expressions | Decimals | Pre-Algebra | Khan Academy
Ordering numbers expressed as decimals, fractions, and percentages
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Taking percentages | Linear equations | Algebra I | Khan Academy
Taking a percentage of a number.
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Growing by a percentage | Linear equations | Algebra I | Khan Academy
In this example we grow a whole number by a percentage of itself. Growing by percentage is a common skill often used when figuring how much is owed or earned wi...
More percent problems | Linear equations | Algebra I | Khan Academy
Slightly harder percent problems
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Algebra I on Khan Academy: Algebra is the language through which we de...
Quadratic inequalities (visual explanation) | Algebra II | Khan Academy
How to solve a quadratic inequality. Visual intuition of what a quadratic inequality means.
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Domain of a function | Functions and their graphs | Algebra II | Khan Academy
Figuring out the domain of a function
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Proof: log a + log b = log ab | Logarithms | Algebra II | Khan Academy
Proof of the logarithm property: log a + log b = log ab
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Proof: a log b = log(b^a), log a - log b = log(a/b) | Logarithms | Algebra II | Khan Academy
Proofs of the logarithm properties: A(log B) = log (B^A) and log A - log B = log (A/B)
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Introduction to logarithm properties | Logarithms | Algebra II | Khan Academy
Introduction to the first two logarithm properties.
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Introduction to logarithm properties (part 2) | Logarithms | Algebra II | Khan Academy
Second part of the introduction to logarithm properties.
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Algebra II on Khan Academy: Your studies in al...
Introduction to compound interest and e | Algebra II | Khan Academy
Compounding interest multiple times a year.
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Compound interest and e (part 2) | Exponential and logarithmic functions | Algebra II | Khan Academy
Compounding 100% annual interest continuously over a year converges to e (2.71...)
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Compound interest and e (part 3) | Exponential and logarithmic functions | Algebra II | Khan Academy
Continuously compounding $P in principal at an annual interest rate of r for a year ends up with a final payment of $Pe^r
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Compound interest and e (part 4) | Exponential and logarithmic functions | Algebra II | Khan Academy
Continuously compounding for multiple years.
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Algebra II on Khan Academy: Your studies in algebra 1 have...
Binomial theorem combinatorics connection | Algebra II | Khan Academy
Intuition behind why binomial expansion involves combinatorics
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Algebra II on Khan Academy: Your studies...
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