Today in math we learned how to multiply, add, and subtract, complex numbers. A complex number is one with a real and imaginary component, like 5-3i. We also learned how to find the absolute value of complex numbers. To do this, use the coefficients in the complex numbers as a and b in the Pythagorean Theorem, because when plotted on the complex plane, the hypotenuse of of the triangle is the absolute value (distance away from the origin or 0).
The worksheet on this was due in class today.