Question

What is a number that can be written in the form a + bi where a and b are real numbers?
A. real number
B. radical number
C. complex number
D. squared number

Answer 1

is it a radical number?

Answer 2

Hi, Musa,
I'd encourage you to look up these terms (radical, complex, real, squared) before posting a question like this. It'd take only a moment, often less time than waiting for someone to give you hints. Would you try this right now? Google "complex number " and then "radical number."

Answer 3

Let me know which answer you choose after doing these lookups.

Answer 4

real number
In mathematics, a real number is a value that represents a quantity along a continuous line.

complex numbers
The complex numbers are the field of numbers of the form , where and are real numbers and i is the imaginary unit equal to the square root of

square number
In mathematics, a square number or perfect square is an integer that is the square of an integer; in other words, it is the product of some integer with itself. For example, 9 is a square number, since it can be written as 3 × 3.

i can't find radical number

Answer 5

Great that you were willing to do this. Of these three definitions, Musa, which one seems closest to describing what you have in " a + bi where a and b are real numbers"?

Answer 6

i would say complex