Complex Conjugates

What is the standard form for a complex number?

• -8i
• a + bi
• bi + a
• -8i + 8

Tags

CCSS.HSN.CN.A.1

What is the complex conjugate of  4 - 3i?

• A.  1/(4-3i)
• B. 1/(4+3i)
• C.  -4 + 3i
• D.  4 + 3i

Tags

CCSS.HSN.CN.A.3

What is the conjugate of -2i + 7

• -2i - 7
• 2i - 7
• -7 + 2i
• 7 + 2i

Tags

CCSS.HSN.CN.A.3

What is the conjugate of i + 4?

• i + 4
• i - 4
• -i-4
• -i+4

Tags

CCSS.HSN.CN.A.3

What is the conjugate of 3 - 2i?

• 2-3i

• 3-2i

• 3+2i

• 2+3i

Tags

CCSS.HSN.CN.A.3

CCSS.HSN.CN.B.5

What is the conjugate of 5 + 7i?

• 5-7i

• 5+7i

• 7i-5

• 7-5i

Tags

CCSS.HSN.CN.A.3

What is the SUM of (1 + i) and (1 - i) ?

• 2-2i

• 2

• 2i

• 1

Tags

CCSS.HSN.CN.A.1

CCSS.HSN.CN.A.2

What is (3 - 4i) + (3 + 4i)?

• 6+8i

• 0

• 6-8i

• 6

Tags

CCSS.HSN.CN.A.1

CCSS.HSN.CN.A.2

What type of number results from the SUM of two cojugates?

• Real Number

• Natural Number

• Imaginary Number

• Irrational Number

Tags

CCSS.HSN.CN.A.1

CCSS.HSN.CN.A.2

CCSS.HSN.CN.A.3

Multiply: (4 - i)(4 + i)

• 17

• 17-8i

Tags

CCSS.HSN.CN.A.1

CCSS.HSN.CN.A.2