Free help with homework

Why join Brainly?

  • ask questions about your assignment
  • get answers with explanations
  • find similar questions


There's no square root for "-25" but the square root of 25 is 5.
0 0 0
Multiply the square root of 25 which is 5 by the square root of -1

square root of -1 is equal to an imaginary unit (i)

so i times 5 = 5i
0 0 0
The Brain
  • The Brain
  • Helper
Not sure about the answer?
Learn more with Brainly!
Having trouble with your homework?
Get free help!
  • 80% of questions are answered in under 10 minutes
  • Answers come with explanations, so that you can learn
  • Answer quality is ensured by our experts