रेखा (y=-7x+24) में (x) कितने बढ़ाने पर (y) (56) घटेगा?
In the line (y=-7x+24), by how much must (x) increase for (y) to decrease by (56)?
Explanation opens after your attempt
D. (8)
Concept
The slope is (-7), so the decrease is \(7\Delta x\). From \(7\Delta x=56\), \(\Delta x=8\).
Why this answer is correct
The correct answer is D. (8). The slope is (-7), so the decrease is \(7\Delta x\). From \(7\Delta x=56\), \(\Delta x=8\).
Exam Tip
ढाल (-7) है, इसलिए कमी \(7\Delta x\) होगी। \(7\Delta x=56\) से \(\Delta x=8\) है।
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