Unit 3 Test Review

Simplify the following

(3-i) + (2+3i)

• 2+5i

• 5+2i

• 5-2i

• 6-3i

Simplify the following

(1+2i) - (4+2i)

• -3+4i

• 3+4i

• 3

• -3

Simplify the following

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

• i

• 2-7i

• -4+i

• -2-i

Simplify (5-3i)+(3+5i)-(8+2i)

• 4i

• 16+4i

• 0

• 16

Perform the operation and write the result in standard form:

(2-i)(4+3i)

• 11+2i

• 11-2i

• 8-3i

• 8+3i

Perform the operation and write the result in standard form:

(3+2i)(3-2i)

• 9-4i

• 13

• 5

• 9+4i

State the complex conjugate of the complex number

3+5i

Write in standard form (no spaces)

State the complex conjugate of the complex number

10-6i

Write in standard form (no spaces)

Multiply the complex number by its complex conjugate and simplify

10+5i

Multiply the complex number by its complex conjugate and simplify

9-3i