Operations with Complex Numbers

What is the simplified form of

(-9 + 5i) + (3 -2i)

• -12 + 31i

• -6 + 3i

• -11 + 7i

• 5 - 3i

Tags

CCSS.HSN.CN.A.2

What is the simplified form of

(11 - 7i) - (-3 + 12i)

• 8 - 19i

• 8 + 5i

• 13- 19i

• 14 -19i

Tags

CCSS.HSN.CN.A.2

What does i² equal?

• -1

• √-1

• 1

• -i

Tags

CCSS.HSN.CN.A.1

What is the conjugate of -2+5i?

• -5+2i
• -2-5i
• 2+5i
• 5-2i

Tags

CCSS.HSN.CN.A.3

The "a" part of a + bi is called a(n) _______.

• Irrational Number

• Real Number

• Imaginary Number

• Complex Number

Tags

CCSS.HSN.CN.A.1

• 1

• -1

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

• -2+6i
• 12+6i
• -35-16i²
• -35 -16i

How do you write a complex number?

• a-bi

• a+bi

• ai+b

• ai-b

Tags

CCSS.HSN.CN.A.1