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The given problem asks for the sign of the expression:

\[
-5 \cdot \left( \frac{-1}{2} \right)
\]

### Step-by-step solution:

1. **Signs of the numbers:**
   - \(-5\) is negative.
   - \(\frac{-1}{2}\) is negative.

2. **Multiplying the signs:**
   - When you multiply two negative numbers, the result is positive.

Thus, the product of \(-5\) and \(\frac{-1}{2}\) will be **positive**.

### Correct Answer: 
**A) Positive**

Would you like further details on the solution or have any questions?

Here are some related questions for further practice:
1. What is the sign of \( -7 \cdot \left(\frac{-3}{4}\right) \)?
2. How do you multiply two negative fractions?
3. What happens when you multiply a negative number by a positive one?
4. What is the result of \( -6 \times \frac{1}{3} \)?
5. Can multiplying two negative numbers ever give a negative result?

**Tip:** Remember, multiplying two negative numbers always results in a positive number!

Understand the sign of the product of -5 and -1/2. This problem focuses on the multiplication of negative numbers and the rules for determining the sign. Suitable for middle school students, Grades 6-8.

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