Radicals and Complex Numbers Review

Simplify: 
(7 + 2i)(9 - 6i)

• 75-24i

• 63 - 24i  - 12i²

• 51 - 24i

• 58 + 60i

Tags

CCSS.HSN.CN.A.2

Simplify:
3√-81

• -27

• 3i√3

• 27i

• 9i

√-108

• 3i√6

• 3i√20

• 6i√3

• 20i√3

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

• -2+6i

• 12+6i

• -35-16i²

• -35 -16i

Tags

CCSS.HSN.CN.A.2

Multiply
(3i)(-2+4i)

• -6+12i

• -12-6i

• -2+7i

• 12+6i

Tags

CCSS.HSN.CN.A.2

Multiply: 
(4 – 3i)(7 + 2i)

•  22 - 13i

•  28 - 19i

•  34 - 13i

•   -34 - 29i

Tags

CCSS.HSN.CN.A.2

i⁷

• i

• -i

• 1

• -1

Tags

CCSS.HSN.CN.A.2

i⁶⁶

• 1

• i

• -1

• -i

Tags

CCSS.HSN.CN.A.2

Simplify:

• √12

• (4√3)/3

• √3

• (2√3)/3

(2i)(3i)

• 5i

• -5

• 6i

• -6

Tags

CCSS.HSN.CN.A.2