Understanding and using complex number notation

• 8

• 2i

A complex number is just two numbers added together, a Real and an ______ number.

• Real

• Rational

• Imaginary

• Irrational

Which of the following is a pure Imaginary number?

• 4+8i

• 2-i

• 16i

• -8+12i

What is the real component of the following complex number:  7 – 4i

• -4i
• -4
• 7
• -7

• Irrational Number

• Real Number

• Imaginary Number

• Complex Number

simplify

• - 56

• $\sqrt{-56}$

• $-2\sqrt{14}$

• $\sqrt{56}$

Real and Imaginary parts of 3.5 - 2.7 i are___?

• Re=3.5

  Im=2.7

• Re=3.5

  Im=-2.7

• Re=-3.5

  Im=2.7

• Re=-3.5

  Im=-2.7

• Real Part is 37

• Real Part is -37

• Real Part is 0

Express 3 - 4i in standard form.

• 3 - 4i

• -3 + 4i

• -1

• 3 + (-4i)

In z= 4-3i, the real number part is _______.