यदि (5x+ay=45) का (y)-अवरोध (9) है, तो (a) क्या है?

If (5x+ay=45) has (y)-intercept (9), what is (a)?

Author: Muft Shiksha Editorial Team Published:
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Correct Answer

D. (5)

Step 1

Concept

Putting (x=0) gives (ay=45) and \(y=\frac{45}{a}\). From \(\frac{45}{a}=9\), (a=5).

Step 2

Why this answer is correct

The correct answer is D. (5). Putting (x=0) gives (ay=45) and \(y=\frac{45}{a}\). From \(\frac{45}{a}=9\), (a=5).

Step 3

Exam Tip

(x=0) रखने पर (ay=45) और \(y=\frac{45}{a}\) मिलता है। \(\frac{45}{a}=9\) से (a=5) है।

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Mathematics Answer, Explanation and Revision Hints

यदि (5x+ay=45) का (y)-अवरोध (9) है, तो (a) क्या है? / If (5x+ay=45) has (y)-intercept (9), what is (a)?

Correct Answer: D. (5). Explanation: (x=0) रखने पर (ay=45) और \(y=\frac{45}{a}\) मिलता है। \(\frac{45}{a}=9\) से (a=5) है। / Putting (x=0) gives (ay=45) and \(y=\frac{45}{a}\). From \(\frac{45}{a}=9\), (a=5).

Which concept should I revise for this Mathematics MCQ?

Putting (x=0) gives (ay=45) and \(y=\frac{45}{a}\). From \(\frac{45}{a}=9\), (a=5).

What exam hint can help solve this Mathematics question?

(x=0) रखने पर (ay=45) और \(y=\frac{45}{a}\) मिलता है। \(\frac{45}{a}=9\) से (a=5) है।