Complex Numbers Math A

Which complex number has an absolute value of 5

A. -3 +4i

if the complex number x = 3 + bi and Ix12 = 13, which is a possible value of B?

A. 2

which of the following is equivalent to 18 - √-25

B. 18 - 5i

What is the value of √-2 and √-18?

B. 4√2i

What is the square root of -1

B. i

what is the distance from the origin of point a graphed on the complex plane below?

B. √13 and A is at (-3,-2)

which of the following is a complex number?

C. 4 + 9i

What is the square root of -16

C. 4i

Which expression is equivalent to √-80?

C. 4√5i

In which quadrant is the number -14 - 5i on the complex plane?

C. III (quadrant 3)

Which expression is equivalent to i ^233

C. i

If f(x)= 1 -x which value is equivalent to |f(I)|

C. √2

If f(x) = x^3 -2x^2 which expression is equivalent to f(I)

D. 2- i

Which complex number has a distance of √17 from the origin on the complex plane

D. 4- i

if i= √-1 what is the value of i3?

Not C or A.