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QuestionMathematics

Find all the real square roots of 144.
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Answer

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Step 1:
I'll solve this problem step by step, following the specified LaTeX formatting guidelines:

Step 2:
: Understand the Problem

We need to find all real square roots of 144. A square root is a number that, when multiplied by itself, equals the original number.

Step 3:
: Set Up the Equation

x^{2} = 144
This means we need to solve the equation:

Step 4:
: Solve for Positive Square Root

x = 12
To find the positive square root, we take the square root of both sides:

Step 5:
: Consider Negative Square Root

x = -12
Since squaring a number makes it positive, we also have a negative solution:

Step 6:
: Verify Solutions

- $$(-12)^{2} = 144$$ ✓
Let's check both solutions:

Final Answer

The real square roots of 144 are 12 and - 12.