What type of number can be written in the form $a+bi$a+bi?
A whole number
A rational number
A complex number
A real number
What is a pure imaginary number?
Answer the following.
Consider the complex number $-i\sqrt{10}$−i√10.
Know there is a complex number i such that i^2 = −1, and every complex number has the form a + bi with x-a and b real.