Test Pre-Calculus Operations with Complex Numbers and Imaginary

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

• -2+6i
• 12+6i
• -35-16i²
• -35 -16i

Tags

CCSS.HSN.CN.A.1

CCSS.HSN.CN.A.2

i⁷⁸

• a.)  i
• b.)  -i
• c.)  -1
• d.)  1

Tags

CCSS.HSN.CN.A.1

CCSS.HSN.CN.A.2

Simplify.
(4+2i) - (-1+5i)

• 3+7i
• 5-3i
• 5+7i
• 2i

Simplify: (4 + 2i)²

• 16 + 4i
• 12
• 16 + 20i
• 12 + 16i

What is the simplified form of the above?

• 7/10 + 11/10 i

• 13/10 +1/10 i

• 5/4 - 3/2i

• 7/10 - 11/10 i

What is the simplified form of (8 -3i)²?

• 73

• 16 - 6i

• 55 + 48i

• 55 - 48i

• A
• B
• C
• D

Tags

CCSS.HSN.CN.A.1

CCSS.HSN.CN.A.2

CCSS.HSN.CN.A.3

• A
• B
• C
• D

Tags

CCSS.HSA.APR.D.6

Choose the correct answer for the operation pictured.

• 7-3i
• 7+13i
• -5+3i
• -5+13i

Choose the correct answer for the operation pictured.

• 7-13i
• 7-i
• 1-13i
• 1-i