Using the quadratic formula to solve equations may bring one, two, or no algebraic solutions. The quadratic formula is special to quadratic equations, which can have fractions, radicals, or neverending decimals. Learn how to solve quadratic equations using the quadratic formula with this free video algebra lesson. 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).
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How To: Remember "greater than" & "less than" symbols

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

How To: Find a number given Its percent

How To: Find the Slope Given 2 Ordered Pairs

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

How To: Find the Percent Given Two Numbers

How To: Calculate percent composition for chemistry

How To: Write a slopeintercept equation given an XY table

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

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How To: Convert Fahrenheit to Celsius with a formula

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How To: Use a protractor to measure an angle

How To: Find the Height of a Trapezoid.

How To: Solve word problems containing radical equations

How To: Find least common multiple in rational expressions

How To: Solve quadratic equations by factoring using grouping
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