Welcome Back

Sign in to your PART66Online account

One click — no password needed

or use email
Forgot password?

Don't have an account? Register here

One of the square roots of a positive number is positive. What is the other one?

  • positive
  • negative
  • positive or negative.

Explanation from PART66Online

Every positive number has two square roots that are equal in size but opposite in sign, because squaring a negative number also gives a positive result. If one root is positive, the other must be its negative counterpart. For example the roots of 9 are +3 and -3.

J

Jordi asked · 9 Feb 2020

why?I dont understand.

Community Comments (3)

C
Carlotambo66 18 Jan 2021
for "the other one" the question intend the negative number
M
mano 3 Apr 2024
The other square root of a POSITIVE number is the NEGATIVE of the first one.

Ex square root of 4 = 2*2 and square root of minus 4 also equal
-2*-2 =4
J
Jordi 17 Oct 2024
thanks man i managed to passed this subject

Please Sign In to post a comment.

We use essential cookies to keep you signed in, plus anonymous analytics to understand how the site is used. Cookie-based analytics is set only with your consent. See our Privacy & Cookie Policy.