रेखा \(y=\frac{7}{5}x-12\) में (y) को (28) बढ़ाने के लिए (x) कितना बढ़ना चाहिए?

In the line \(y=\frac{7}{5}x-12\), how much should (x) increase to increase (y) by (28)?

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Correct Answer

C. (20)

Step 1

Concept

The change is \(\frac{7}{5}\Delta x=28\). This gives \(\Delta x=20\).

Step 2

Why this answer is correct

The correct answer is C. (20). The change is \(\frac{7}{5}\Delta x=28\). This gives \(\Delta x=20\).

Step 3

Exam Tip

परिवर्तन \(\frac{7}{5}\Delta x=28\) होगा। इससे \(\Delta x=20\) मिलता है।

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Mathematics Answer, Explanation and Revision Hints

रेखा \(y=\frac{7}{5}x-12\) में (y) को (28) बढ़ाने के लिए (x) कितना बढ़ना चाहिए? / In the line \(y=\frac{7}{5}x-12\), how much should (x) increase to increase (y) by (28)?

Correct Answer: C. (20). Explanation: परिवर्तन \(\frac{7}{5}\Delta x=28\) होगा। इससे \(\Delta x=20\) मिलता है। / The change is \(\frac{7}{5}\Delta x=28\). This gives \(\Delta x=20\).

Which concept should I revise for this Mathematics MCQ?

The change is \(\frac{7}{5}\Delta x=28\). This gives \(\Delta x=20\).

What exam hint can help solve this Mathematics question?

परिवर्तन \(\frac{7}{5}\Delta x=28\) होगा। इससे \(\Delta x=20\) मिलता है।