3.1 Solving Quadratics by Taking Square Roots

Solving Quadratics/Taking Square Root

Isolate the variable to solve. Take square root of both sides.

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. 

Defining Imaginary Numbers

Imaginary Numbers are the square roots of negative numbers

3.2 Complex Numbers

Imaginary Numbers/Complex Numbers

*Watch 6:04-9:04

Operations on Complex Numbers

Add, Subtract, Multiply, Divide Complex Numbers

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3.3 Complex Solutions of Quadratic Equations

Completing the Square

How to solve non-factorable equations - Watch until 7:45.

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.

Quadratic Formula 1st Example

Solves for the solutions/roots/zeros of a Quadratic Function.

Quadratic Formula 2nd Example

*Start video at 13:55 for an example of imaginary solutions