यदि (ky=30x-90) का (y)-अवरोध (-15) है, तो (k) क्या है?
If (ky=30x-90) has (y)-intercept (-15), what is (k)?
Explanation opens after your attempt
D. (6)
Concept
\(y=\frac{30}{k}x-\frac{90}{k}\). From \(-\frac{90}{k}=-15\), (k=6).
Why this answer is correct
The correct answer is D. (6). \(y=\frac{30}{k}x-\frac{90}{k}\). From \(-\frac{90}{k}=-15\), (k=6).
Exam Tip
\(y=\frac{30}{k}x-\frac{90}{k}\) होगा। \(-\frac{90}{k}=-15\) से (k=6) है।
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