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 finish your homework or 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 inequalities in introductory algebra.
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How To: Remember "greater than" & "less than" symbols

How To: Calculate Faster Than a Calculator

How To: Find the coordinate of a point

How To: Find the Slope Given 2 Ordered Pairs

How To: Solve percentages without a calculator

How To: Determine if a point lies on a line in standard form

How To: Use the upsidedown birthday cake method to find a GCF

How To: Solve quadratic equations by factoring in math

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

How To: Find the Percent Given Two Numbers

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

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

How To: Find the slope from a set of points

How To: Multiply & Divide Numbers (Basic Elementary Math)

How To: Simplify fourth roots

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

How To: Subtract a mixed number from a proper fraction in basic math

How To: Solve an equation with a radical under a radical

How To: Determine if a point lies on a line in slope intercept

How To: Use a mean and scatter plot for Statistics
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