Math Problem Statement

Find the value of √121. show if there is both + and -

Solution

The value of 121\sqrt{121} is the number that, when multiplied by itself, equals 121. The square root of 121 is 11 because:

11×11=12111 \times 11 = 121

Since square roots generally have both positive and negative solutions:

121=±11\sqrt{121} = \pm 11

This means:

121=+11or121=11\sqrt{121} = +11 \quad \text{or} \quad \sqrt{121} = -11

Would you like more details or have any questions?


Here are 5 related questions:

  1. What is the square root of 144?
  2. What is the square of -11?
  3. How do you calculate the square root of a non-perfect square?
  4. What is the cube root of 121?
  5. Can all square roots be both positive and negative?

Tip: When dealing with square roots, always consider both the positive and negative roots, especially in equations.

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Math Problem Analysis

Mathematical Concepts

Square Roots

Formulas

-

Theorems

Square Root Theorem

Suitable Grade Level

Grades 6-8