Question

Write -3i+(3/4 + 2i) - (9/3 + 3i) as a complex number in standard form.

a. (9/4 + 9i)

b. (-9/4 -4i)

c. (9i + 9/4)

d.-6i

Answer 1

b. -9/4 - 4i.

Explanation:

-3i+(3/4 + 2i) - (9/3 + 3i)

= -3i +3/4 + 2i - 9/3 - 3i

= 3/4 - 9/3 - 3i - 3i + 2i

= -9/4 - 4i.