Complex Number Quiz 2021

Give your answer in the form of a+bi for (8-3i)(5-2i)

• 13 - 5i

• 34 - 31i

• -31 + 34i

• 5 -13i

Tags

CCSS.HSN.CN.A.2

Solve 5( - 6 + 4i)

• -30 - 20i

• -20 +30i

• 30 + 20i

• -30 + 20i

Tags

CCSS.HSN.CN.A.2

Refer to the above image, what is the conjugate of the denominator?

• -1 + 5i

• 1 - 5i

• 1 + 5i

• -1 - 5i

Tags

CCSS.HSA.APR.D.6

Solve (-3-5i)(2-6i)

• 36 + 8i

• 36 + 8i²

• -36 - 8i

• -36 + 8i

Tags

CCSS.HSN.CN.A.2

Simplify:
-3i(4 + 2i)

• 6 - 12i
• 6 + 12i
• -12i - 6i²
• -12i + 6i²

Tags

CCSS.HSN.CN.A.2

Multiply: 
(4 – 3i)(-7 – 2i)

• A.  -23 + 13i
• B.  -23 - 29i
• C.  -34 + 13i
• D.  -34 - 29i

Tags

CCSS.HSN.CN.A.2

Simplify
3i - (4 + 7i)

• -4 + 10i
• 21 - 12i
• 4 - 10i
• -4 - 4i

Tags

CCSS.HSN.CN.A.2

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

Tags

CCSS.HSN.CN.A.3

Simplify

• (-10+6i)/17

• (1+50i)/61

• (-23+36i)/25

• (-21+33i)/34

Tags

CCSS.HSN.CN.A.3

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Tags

CCSS.HSN.CN.A.3