Question

A number written in the form a + bi is called a _____ number.

Answer 1

Complex because i is the symbol of imagenory number -1

Answer 2

The correct answer to this question is letter "A. complex." A number written in the form a + bi is called a complex number. The "i" part is the imaginary part of that expression, which is complex. Imaginary numbers are complex and it's hard to evaluate, sometimes.