OPERATIONS WITH COMPLEX NUMBERS WORKSHEET

Evaluate the expression and write your answer in the form a + bi.

Problem 1 :

(5 - 6i) + (3 + 2i)

Solution

Problem 2 :

Solution

Problem 3 :

(2 + 5i)(4 - i)

Solution

Problem 4 :

(1 - 2i)(8 - 3i)

Solution

Problem 5 :

Solution

Problem 6 :

Solution

Problem 7 :

Solution

Problem 8 :

Solution

Problem 9 :

Solution

Problem 10 :

Solution

Problem 11 :

i³

Solution

Problem 12 :

i¹⁰⁰

Solution

Problem 13 :

√-25

Solution

Problem 14 :

√-3√-12

Solution

Simplify :

Problem 1 :

(-3 + 4i) + (-4 + 7i)

Solution

Problem 2 :

(3 - 6i) + (7 + 3i)

Solution

Problem 3 :

(3 + 8i) + (1 - i)

Solution

Problem 4 :

(4 - 4i) + (-4 + 6i)

Solution

Problem 5 :

-6i + (3i) - (-7 - 8i)

Solution

Problem 6 :

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

Solution

Problem 7 :

(8 - 5i) - (-4 - 3i)

Solution

Problem 8 :

-4 + (7i) - (1 - 5i)

Solution

Problem 9 :

(-6 – 6i) – (2 – 2i)

Solution

Problem 10 :

(-3i) – (-5 + 7i) + i

Solution

Problem 11 :

(8i) (-6i) (-3i)

Solution

Problem 12 :

(2i) (3i) (-6i)

Solution