From Ramanujan to calculus cocreator Gottfried Leibniz, many of the world's best and brightest mathematical minds have belonged to autodidacts. And, thanks to the Internet, it's easier than ever to follow in their footsteps (or just study for that next big test). With this installment from Internet pedagogical superstar Salman Khan's series of free math tutorials, you'll learn how to work with radical algebraic equations.
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How To: Find the Percent Given Two Numbers

How To: Remember "greater than" & "less than" symbols

How To: Use ">" (greater than) and "<" (less than) symbols

How To: Find a number given Its percent

How To: Calculate Faster Than a Calculator

How To: Do long division without a calculator

How To: Figure out the domain & range of a piecewise function

How To: Find the area of a parallelogram using geometry

How To: Calculate percent composition for chemistry

How To: Simplify surds (improper square roots)

How To: Find the equation of a circle given: center & tangent

How To: Write a logarithm as a sum or difference of logarithms

How To: Identify characteristics of a sample during a survey

How To: Find the area of a circle when you know the diameter

How To: Translate a shape

How To: Find the slope of a line given 2 points with fractions

How To: Find the formula of a piecewise function given a graph

How To: Find a missing coordinate given: coordinate & equation

How To: Solve percentages without a calculator

How To: Find a slope of a straight line with: Ax + By + C = 0

How To: Find the Percent Given Two Numbers

How To: Remember "greater than" & "less than" symbols

How To: Use ">" (greater than) and "<" (less than) symbols

How To: Find a number given Its percent

How To: Calculate Faster Than a Calculator

How To: Do long division without a calculator

How To: Figure out the domain & range of a piecewise function

How To: Find the area of a parallelogram using geometry

How To: Calculate percent composition for chemistry

How To: Simplify surds (improper square roots)

How To: Find the equation of a circle given: center & tangent

How To: Write a logarithm as a sum or difference of logarithms

How To: Identify characteristics of a sample during a survey

How To: Find the area of a circle when you know the diameter

How To: Translate a shape

How To: Find the slope of a line given 2 points with fractions

How To: Find the formula of a piecewise function given a graph

How To: Find a missing coordinate given: coordinate & equation

How To: Solve percentages without a calculator

How To: Find a slope of a straight line with: Ax + By + C = 0
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