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. With this installment from Internet pedagogical superstar Salman Khan's series of free math tutorials, you'll learn how to solve an absolute value problem in algebra and graph your answer on a number line.
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How To: Use ">" (greater than) and "<" (less than) symbols

How To: Find the area of irregular shapes

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

How To: Divide small numbers by big numbers

How To: Draw a parallelogram given base, angle & altitude

How To: Solve temperature subtraction problems (integers)

How To: Find the Volume of Composite Figures (Also Called Composite Shapes)

How To: Use a TI89 to calculate nCr

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

How To: Do synthetic division in intermediate algebra

How To: Find the Percent Given Two Numbers

How To: Convert between diameter and radius

How To: Find the area & perimeter of triangles & squares

How To: Convert Fahrenheit to Celsius with a formula

How To: Calculate the area of a parallelogram

How To: Find extra points for a parabola (quadractic equation)

How To: Do normal probability calculations on a calculator

How To: Calculate the height and volume of a pyramid

How To: Find Leg Lengths and Hypotenuse of a 45 45 90 Triangle

How To: Figure out the domain of a vector function

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

How To: Find the area of irregular shapes

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

How To: Divide small numbers by big numbers

How To: Draw a parallelogram given base, angle & altitude

How To: Solve temperature subtraction problems (integers)

How To: Find the Volume of Composite Figures (Also Called Composite Shapes)

How To: Use a TI89 to calculate nCr

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

How To: Do synthetic division in intermediate algebra

How To: Find the Percent Given Two Numbers

How To: Convert between diameter and radius

How To: Find the area & perimeter of triangles & squares

How To: Convert Fahrenheit to Celsius with a formula

How To: Calculate the area of a parallelogram

How To: Find extra points for a parabola (quadractic equation)

How To: Do normal probability calculations on a calculator

How To: Calculate the height and volume of a pyramid

How To: Find Leg Lengths and Hypotenuse of a 45 45 90 Triangle

How To: Figure out the domain of a vector function
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