2 Complex Numbers with i

Simplify: 
(7 + 2i)(9 - 6i)

• 75-24i
• 63 - 24i  - 12i²
• 51 - 24i
• 58 + 60i

Tags

CCSS.HSN.CN.A.2

i⁶⁶

• 1
• i
• -1
• -i

Tags

CCSS.HSN.CN.A.2

What is the conjugate of -2+5i?

• -5+2i
• -2-5i
• 2+5i
• 5-2i

Tags

CCSS.HSN.CN.A.3

(3i)(-2+4i)

• -6+12i
• -12-6i
• -2+7i
• 12+6i

Tags

CCSS.HSA.APR.A.1

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

• -2+6i
• 12+6i
• -35-16i²
• -35 -16i

√-4

• -2
• -2i
• 2
• 2i

What letter usually represent imaginary number?

• a
• i
• j
• x

Tags

CCSS.HSN.CN.A.1

(2i)(3i)

• 5i
• -5
• 6i
• -6

Tags

CCSS.HSA.APR.A.1

4+5i+6+6i

• 21i

• 20i+36

• 24+30i

• 10+11i

Tags

CCSS.HSN.CN.A.2

What complex number is represented by the graph?

• -3-i
• -3+i
• 1+3i
• 1-3i

Tags

CCSS.HSN.CN.B.4