असमानता \(-5x+3\le 18\) का संख्या रेखा पर सही अंतराल कौन सा है?
Which interval is correct on the number line for \(-5x+3\le 18\)?
Explanation opens after your attempt
C. \([-3,\infty\))
Concept
Solving gives \(-5x\le 15\) and then \(x\ge -3\). The inequality sign reverses when dividing by a negative.
Why this answer is correct
The correct answer is C. \([-3,\infty\)). Solving gives \(-5x\le 15\) and then \(x\ge -3\). The inequality sign reverses when dividing by a negative.
Exam Tip
हल करने पर \(-5x\le 15\) और फिर \(x\ge -3\) मिलता है। ऋणात्मक से भाग देने पर असमता का चिह्न बदलता है।
Login to save your score, XP, coins and progress.
