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)?

Author: Muft Shiksha Editorial Team Published:
Explanation opens after your attempt
Correct Answer

D. (8)

Step 1

Concept

The slope is (-7), so the decrease is \(7\Delta x\). From \(7\Delta x=56\), \(\Delta x=8\).

Step 2

Why this answer is correct

The correct answer is D. (8). The slope is (-7), so the decrease is \(7\Delta x\). From \(7\Delta x=56\), \(\Delta x=8\).

Step 3

Exam Tip

ढाल (-7) है, इसलिए कमी \(7\Delta x\) होगी। \(7\Delta x=56\) से \(\Delta x=8\) है।

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Mathematics Answer, Explanation and Revision Hints

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)?

Correct Answer: D. (8). Explanation: ढाल (-7) है, इसलिए कमी \(7\Delta x\) होगी। \(7\Delta x=56\) से \(\Delta x=8\) है। / The slope is (-7), so the decrease is \(7\Delta x\). From \(7\Delta x=56\), \(\Delta x=8\).

Which concept should I revise for this Mathematics MCQ?

The slope is (-7), so the decrease is \(7\Delta x\). From \(7\Delta x=56\), \(\Delta x=8\).

What exam hint can help solve this Mathematics question?

ढाल (-7) है, इसलिए कमी \(7\Delta x\) होगी। \(7\Delta x=56\) से \(\Delta x=8\) है।