Comp

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​Write the answers to what goes in each box on a separate piece of paper and put them on the following slides.

Multiple Choice

(3 + 2i) + (4 - 5i)

• 7 + 7i

• 1 - 3i

• 1 - 7i

• 7 - 3i

Multiple Choice

(3 + 2i) + (4 - 5i)

• 7 + 7i

• 1 - 3i

• 1 - 7i

• 7 - 3i

Multiple Choice

(-7 + 9i) + (2 - 10i)

• -5 + i

• -5 - i

• -9 + 1

• 9 - i

Multiple Choice

(4 - 2i) - (3 + 6i)

• 7 - 4i

• 1 + 4i

• 1 - 8i

• 7 - 8i

Multiple Choice

• 10
• -10
• 10i
• -10i

Multiple Choice

• 5i
• -5i
• 5+i
• -5

Multiple Choice

Simplify: 
(10+ 15i)-(48 - 30i)

• 58 - 45i
• 58 - 15i
• -38 - 15i
• -38 + 45i

Multiple Choice

What does i² = ?

• -1
• √-1
• 1
• -√1

Multiple Choice

What is the conjugate of -2+5i?

• -5+2i
• -2-5i
• 2+5i
• 5-2i

Multiple Choice

The imaginary unit i is defined as i =

• 1

• 0

• -1

Multiple Choice

The imaginary unit i is defined as i =

• 1

• 0

• -1

Fill in the Blanks