Need to know how to solve quadratic inequalities? 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 a system for solving basic linear inequalities.
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How To: Remember "greater than" & "less than" symbols

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

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

How To: Calculate Faster Than a Calculator

How To: Calculate percent composition for chemistry

How To: Find the area of a triangle when given 2 sides & angle

How To: Find a missing side of a triangle, similar to another

How To: Write a slopeintercept equation given an XY table

How To: Convert decimals into fractions

How To: Find a number given Its percent

How To: Find and sketch the domain of a multivariable function

How To: Derive the area of a circle

How To: Use a mean and scatter plot for Statistics

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

How To: Evaluate factorials with a TI83 calculator

How To: Evaluate combinations of functions from graphs

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

How To: Solve algebraic equations with the y = mx+b format

How To: Find an LCM or GCF with the Indian method

How To: Do long division without a calculator
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