Concepts in Complex Numbers

• -2

• 2

• 2i

• No solution

The square root √-25 is..

• 5

• -5

• 8

• none of the above

• 8

• 8i

• -8

• -8i

Any negative number square root is

Tags

CCSS.HSN.CN.A.1

What is the imaginary unit denoted by 'j' defined as?

• j=0

• j=1

• j=-1

• j raised to 2 =-1

Tags

CCSS.HSN.CN.A.1

What is the best name? √-1

• rational

• integer

• whole

• irrational

• imaginary (not real)

What does "i" represents ?

• Integral

• Increase

• Iowa

• Imaginary

Tags

CCSS.HSN.CN.A.1

Select all that apply.

• 10

• -10

• 10i

• -10i