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If p is a non-positive number, then for what value of p does the expression |77 – 6p| holds the minimum value?
  • a)
    77/12
  • b)
    77/6
  • c)
    12
  • d)
    0
  • e)
    -77/6
Correct answer is option 'D'. Can you explain this answer?
Verified Answer
If p is a non-positive number, then for what value of p does the expre...
As we are trying to minimise the value of the expression |77 – 6p|, our aim should be to minimise the value of 77 – 6p.
  • The value of 77 – 6p will be minimum, when 6p will be maximum
  • The value of 6p will be maximum, when the value of p will be maximum
Now, we also know that p is a non-positive number.
  • Therefore, the maximum value of p = 0
Hence, the correct answer is option D.
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Most Upvoted Answer
If p is a non-positive number, then for what value of p does the expre...


Understanding the Problem:

Given expression: |77 – 6p|

We need to find the value of p that minimizes this expression when p is a non-positive number.

Key Point:

- The absolute value of a number is always non-negative.

Solution:

Step 1: Analyzing the Absolute Value Expression

When p is non-positive, the value inside the absolute value changes sign. So, the expression becomes: |77 + 6p|

Step 2: Finding the Minimum Value

To minimize the absolute value expression, we need to find the value of p that makes the expression inside the absolute value zero.

77 + 6p = 0
6p = -77
p = -77/6

Therefore, the minimum value of the expression |77 – 6p| occurs when p = -77/6, which is a non-positive number.

Conclusion:

The correct value of p that makes the expression |77 – 6p| minimum is p = -77/6. Hence, option 'D' (0) is the correct answer.
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