Complex Numbers Text

Simplify
3i - (4 + 7i)

• -4 + 10i

• 21 - 12i

• 4 - 10i

• -4 - 4i

Find the sum.
(5-2i) + (-7+8i)

• -2+6i

• 12+6i

• -35-16i²

• -35 -16i

Multiply
(3i)(-2+4i)

• -6+12i

• -12-6i

• -2+7i

• 12+6i

Multiply: 
(4 – 3i)(7 + 2i)

•  22 - 13i

•  28 - 19i

•  34 - 13i

•   -34 - 29i

• a
• b
• c
• d

• i

• -1

• 1

• -i

Match the complex conjugate pairs:

• -x+2i

• -5-6i

• 5+6i

• 5-6i

• -5+6i

• x+2i

• x-2i

• -x-2i

• 10
• -10
• 10i
• -10i

• 10
• -10
• 10i
• -10i

Refer to the above image, what is the conjugate of the denominator?

• 8 + 6i

• 6 + 8i

• 6 - 8i

• -6 +8i