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Daily Math Minute

Mathematics

Quadratic Functions & Complex Numbers

Extending quadratic functions to complex solutions.

Complex Numbers

Advanced20 min
  • Understand i as the square root of -1
  • Add, subtract, multiply, and divide complex numbers
1

The Imaginary Unit

Defining i and simplifying square roots of negative numbers.

20 min

2

Operations with Complex Numbers

Adding, subtracting, multiplying, and dividing complex numbers.

20 min

Quadratics with Complex Solutions

Advanced20 min
  • Solve quadratic equations with complex solutions
  • Use the discriminant to determine the number and type of solutions
1

The Discriminant

Using the discriminant to determine the number and type of solutions to a quadratic.

20 min

2

Quadratics with Complex Roots

Solving quadratic equations whose solutions are complex numbers.

20 min