असमानता \(-4x+7\ge 19\) को संख्या रेखा पर कैसे दिखाया जाएगा?
How will the inequality \(-4x+7\ge 19\) be represented on the number line?
Explanation opens after your attempt
B. \(x\le -3\), (-3) पर बंद बिंदु और बाईं ओर\(x\le -3\), closed dot at (-3) shaded left
Concept
From \(-4x\ge 12\), dividing by a negative gives \(x\le -3\). In exams, reverse the inequality sign when dividing by a negative.
Why this answer is correct
The correct answer is B. \(x\le -3\), (-3) पर बंद बिंदु और बाईं ओर / \(x\le -3\), closed dot at (-3) shaded left. From \(-4x\ge 12\), dividing by a negative gives \(x\le -3\). In exams, reverse the inequality sign when dividing by a negative.
Exam Tip
\(-4x\ge 12\) में ऋणात्मक संख्या से भाग देने पर \(x\le -3\) मिलता है। परीक्षा में ऋणात्मक से भाग देने पर असमानता का चिन्ह पलटें।
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