Complex numbers + Business email

How do you write a complex number?

• a-bi

• a+bi

• ai+b

• ai-b

Find the sum.
(5-2i) + (-7+8i)

• -2+6i
• 12+6i
• -35-16i²
• -35 -16i

Multiply
(3i)(-4+4i)

• -6+12i
• -12-6i
• -2+7i
• -12-12i

(5-2i) + (-7+8i)

• -2+6i
• 12+6i
• -35-16i²
• -35 -16i

Emails and letters are different because emails have...

• email addresses and subject lines

• postal addresses and signatures

• photos

• magic

When we don't know the reader personally and want to use a formal signature, we can use ____.

• Bye,

• See you,

• Yours faithfully

• Yours sincerely,

"I am writing to request more information..." is an example of a ....

• greeting

• introduction

• closing

• signature

What is written in the main content of an email?

• one sentence or less, clearly stating why you are writing.

• saying goodbye.

• addressing your reader.

• details / more information about why you are writing.

Which is NOT a useful tip for writing business emails.

• put white space between the paragraphs.

• avoid underlining.

• use headings, (bulleted) lists, and bold type to help readability.

• short emails are always best.

What is the correct order of a business email?

• 1. greeting

  2. introduction

  3. main content

  4. pre-closing

  5. closing

  6. signature

• 1. introduction

  2. 1st content

  3. 2nd content

  4. pre-closing

  5. closing

  6. signature

• 1. greeting

  2. introduction

  3. main content

  4. question

  5. thank you

  6. good-bye

• 1. opening

  2. introduction

  3. main content

  4. pre-closing

  5. closing

  6. signature