Alg 2 HON

What is the complex conjugate?

• -4 - 6i

• -4 + 6i

• 4 + 6i

• 4 - 6i

A complex number can be expressed as a + bi. What does a represent?

• the real part of the complex number

• the imaginary part of the complex number

• depends on the sign of the number

• the square root of the complex number

If you are adding two complex numbers you should

• add all the numbers together then divide by 2

• add only the real numbers and subtract the complex numbers

• add only the complex numbers and subtract the real numbers

• add only the real numbers together and then add only the complex numbers together then stop

 $\frac{\left(-8-4i\right)}{\left(-3-7i\right)}$  For this problem, what is the number we would use to simplify this division problem?

• -8 + 4i
  
  

• 8 - 4i

• 3+7i

• -3 +7i