Operations with Complex Numbers

What is the simplified form of (-9 + 5i) + (3 -2i)

• -12 + 31i

• -6 + 3i

• -11 + 7i

• 5 - 3i

Tags

CCSS.HSN.CN.A.2

What is the simplifies form of (11 - 7i) - (-3 + 12i)

• 8 - 19i

• 8 + 5i

• 13- 19i

• 14 -19i

Tags

CCSS.HSN.CN.A.2

What is the simplified form of (-6i)(3i)

• -18

• -18i

• 18

• -18i²

Tags

CCSS.HSN.CN.A.2

What is the simplified form of (-3 + 2i)(1- 4i)

• -2 - 2i

• 5 + 14i

• -11 -10i

• -3 -8i

Tags

CCSS.HSN.CN.A.2

What does i² = ?

• -1
• √-1
• 1
• -√1

Tags

CCSS.HSN.CN.A.1

• 21 - 16i

• 21 -24i

• 11 - 16i

• 11 - 24i

Tags

CCSS.HSA.APR.A.1

What is the standard form for a complex number?

• -8i
• a + bi
• bi + a
• -8i + 8

Tags

CCSS.HSN.CN.A.1

Multiply : (5-2i) (5+2i)

• 29

• 3i + 29

• 25 - 4i

• 36

Tags

CCSS.HSN.CN.C.8

Find the product: (1+ 2i) (1-2i)

• 1-4i

• 1-i

• 1+4i

• 5

Tags

CCSS.HSN.CN.A.2

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

• -2+6i
• 12+6i
• -35-16i²
• -35 -16i

Tags

CCSS.HSN.CN.A.2