रेखा \(y=\frac{5}{4}x-9\) में (y) को (25) बढ़ाने के लिए (x) कितना बढ़ना चाहिए?
In the line \(y=\frac{5}{4}x-9\), how much should (x) increase to increase (y) by (25)?
Explanation opens after your attempt
C. (20)
Concept
The change is \(\frac{5}{4}\Delta x=25\). This gives \(\Delta x=20\).
Why this answer is correct
The correct answer is C. (20). The change is \(\frac{5}{4}\Delta x=25\). This gives \(\Delta x=20\).
Exam Tip
परिवर्तन \(\frac{5}{4}\Delta x=25\) होगा। इससे \(\Delta x=20\) मिलता है।
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