Operation With Complex Numbers

What does i² = ?

• -1
• √-1
• 1
• -√1

Simplify i²⁴

• i

• 1

• -1

• -i

Simplify i⁴³

• 1

• i

• -i

• -1

Simplify    3i + 2i

• 5i
• 5i²
• 6i
• -5

Simplify    -6i+3i

• 3i
• -3i
• -2i
• -3i²

Given the two sets of complex numbers, what is the sum?     5-2i and -7+8i

• -2+6i
• 12+6i
• -35-16i²
• -35 -16i

Express the product of  3i  and  -2+4i  in  a+bi  form.

• -6+12i
• -12-6i
• -2+7i
• 12+6i

Express the product of 1-2i  and  2+3i  in a+bi form.

• 3+i
• 8-i
• 2-6i
• 2+6i

Subtract 2-9i from 10+3i When the answer is in a+bi form, what is the value of a?

• 20
• 27
• 8
• 12

Where is point B located?

• 2 + i

• -3

• 2i

• -1 - i