Complex Numbers Add Subtract Divide

Find the product
(1+3i)(2-i)

• 5+5i

• 5-5i

• 2-3i

• 5+7i

Simplify

(12 - 4i) + (-2 + 8i)

• 8 + 104i

• 10 + 4i

• 14 - 4i

• 10 - 12i

Solve for x: 

• x = {-4, -1}

• x = {-1, -4}

• x = {2+i, 2-i}

• x = {-2+i, -2-i}

Simplify:

(5-2i) + (-7+8i)

• -2+6i

• 12+6i

• -35-16i²

• -35 -16i

(8 + 2i) + (1 - 6i) - (-8 - 8i)

• 17 + 4i

• 23 - 4i

• 1 + 16i

• 1 + 4i

Simplify:

(10+ 15i) - (48 - 30i)

• 58 - 45i

• 58 - 15i

• -38 - 15i

• -38 + 45i

Simplify:

8i(2 + 3i) + 6i(2 + i)

• -30 - 4i

• 30 - 28i

• -30 + 28i

• 16 + 48i

Simplify:

(3 - 2i) + i + 6

• 7 - i

• 9 + 3i

• -3 - i

• 9 - i

Simplify:

(6 + 4i) - (2 - 6i) - 7

• 16 + 6i

• -3 + 10i

• -1 + 4i

• -3 + 2i

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

• 8 + 6i

• 6 + 8i

• 6 - 8i

• -6 +8i