Private Test 1 G10

Simplify: 
(10+ 15i) - (48 - 30i)

• 58 - 45i
• 58 - 15i
• -38 - 15i
• -38 + 45i

3+√-4

• 1

• 3-2i

• 5

• 3+2i

(1-3i)(2+5i)

• 22-i
• 16-i
• 17-i

The expression (2 + 3i)² is equal to

• -5
• -5 + 12i
• 13
• 13 + 12i

Simplify

• (-10+6i)/17

• (1+50i)/61

• (-23+36i)/25

• (-21+33i)/34

(-5 + 10i)(-5 - 10i) = 125

• True

• False

√-36

• 6
• -6
• -6i
• 6i

Tags

CCSS.HSN.CN.A.2

CCSS.HSN.CN.A.1

Simplify   i²³

• i
• -1
• 1
• -i

Tags

CCSS.HSN.CN.A.2

What is the complex conjugate of  4-3i?

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

√-4

• -2

• -2i

• 2

• 2i

Tags

CCSS.HSN.CN.A.2

CCSS.HSN.CN.A.1