Complex Number Exam

If Z =1 - 4i, find the value of -2z

z = 1-4i

Write down the value of Z

• a
• b
• c
• d

Match the complex conjugate pairs:

• -x+2i

• -5-6i

• -5+6i

• x+2i

• x-2i

• -x-2i

• 5+6i

• 5-6i

• 10
• -10
• 10i
• -10i

• i

• -1

• 1

• -i

• 2

• -2

• 4i

• -4i

• 2i

• -2i