Misc Formulas: Difference between revisions

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Latest revision as of 09:26, 17 October 2019

The Quadratic Formula

This is used to solve certain equations such as this:

You replace all instances of b with the second number, -4.

Then you replace all instances of a with the first number, which in this case is x2, which means it is 1.

Next you need to replace all instances of c with the third number, -7.

Now simply reduce and solve.

Failed to parse (syntax error): {\displaystyle y= \frac{4\pm\2\sqrt{11}}{2}}