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MATH WITH WILSON .COM

Click the images below for a video on each skill:

Chapter 3:
​Quadratic Equations

3.1 Solving Quadratics by Taking Square Roots

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Solving Quadratics/Taking Square Root
Isolate the variable to solve. Take square root of both sides.
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Real World Problems/Solve quadratics/Falling Objects
Using the formula above, find the number of seconds after the object is dropped. In the video, this will be Method 2. 
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Defining Imaginary Numbers
Imaginary Numbers are the square roots of negative numbers

3.2 Complex Numbers

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Imaginary Numbers/Complex Numbers
*Watch 6:04-9:04
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Operations on Complex Numbers
Add, Subtract, Multiply, Divide Complex Numbers

3.3 Complex Solutions of Quadratic Equations

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Completing the Square
How to solve non-factorable equations - Watch until 7:45.
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Discriminant: How many solutions does a Quadratic have? Are they Real or Imaginary Numbers?
Use (b squared minus 4ac) to determine
two real, one real, or 2 imaginary solutions.
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Quadratic Formula 1st Example
Solves for the solutions/roots/zeros of a Quadratic Function.
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Quadratic Formula 2nd Example
*Start video at 13:55 for an example of imaginary solutions
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