असमानता \(-2x-y\le -6\) को सरल करने पर सही रूप कौन-सा है?

Which form is correct after simplifying \(-2x-y\le -6\)?

Explanation opens after your attempt
Correct Answer

D. \(2x+y\ge 6\)

Step 1

Concept

Multiplying the whole inequality by (-1) reverses the sign. Hence \(2x+y\ge 6\) is obtained.

Step 2

Why this answer is correct

The correct answer is D. \(2x+y\ge 6\). Multiplying the whole inequality by (-1) reverses the sign. Hence \(2x+y\ge 6\) is obtained.

Step 3

Exam Tip

पूरी असमानता को (-1) से गुणा करने पर चिन्ह पलटता है। इसलिए \(2x+y\ge 6\) मिलता है।

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Mathematics Answer, Explanation and Revision Hints

असमानता \(-2x-y\le -6\) को सरल करने पर सही रूप कौन-सा है? / Which form is correct after simplifying \(-2x-y\le -6\)?

Correct Answer: D. \(2x+y\ge 6\). Explanation: पूरी असमानता को (-1) से गुणा करने पर चिन्ह पलटता है। इसलिए \(2x+y\ge 6\) मिलता है। / Multiplying the whole inequality by (-1) reverses the sign. Hence \(2x+y\ge 6\) is obtained.

Which concept should I revise for this Mathematics MCQ?

Multiplying the whole inequality by (-1) reverses the sign. Hence \(2x+y\ge 6\) is obtained.

What exam hint can help solve this Mathematics question?

पूरी असमानता को (-1) से गुणा करने पर चिन्ह पलटता है। इसलिए \(2x+y\ge 6\) मिलता है।