Exploring Multiplication of Imaginary Numbers

What is the value of i squared?

• -1

• 1

• 0

• i

Tags

CCSS.HSN.CN.A.1

If you multiply 4i and 7i, what is the result?

• -28

• 28i^2

• 28i

• -28i

Tags

CCSS.HSN.CN.A.2

What is the result of multiplying -4i, 2i, and -9i?

• -72i

• 72i

• -72

• 72

Tags

CCSS.HSN.CN.A.2

What is the value of i cubed?

• -i

• 1

• i

• -1

Tags

CCSS.HSN.CN.A.2

What is the result of 2i cubed times 5i?

• -40i

• 40i

• 40

• -40

Tags

CCSS.HSN.CN.A.2

What is the simplified form of i√3 squared?

• -3i

• 3i

• 3

• -3

Tags

CCSS.HSN.CN.A.1

What is the result of (i√3)^2 times (-8i)^2?

• -192

• 192

• -64

• 64

Tags

CCSS.HSN.CN.A.2

What is the simplified form of √(-18) times √(-10)?

• 6√5

• -6√5

• -30

• 30

Tags

CCSS.HSN.RN.A.2

What is the result of i√24 times i√3 times i√2?

• 144

• -144

• 12i

• -12i

Tags

CCSS.HSN.CN.A.2

What is the square root of 144?

• -144

• 12

• -12

• 144