रेखा (y=mx-9) बिंदु ( (-3,6) ) से गुजरती है। इसकी ढाल क्या है?
The line (y=mx-9) passes through ( (-3,6) ). What is its slope?
Explanation opens after your attempt
B. (-5)
Concept
Substituting the point gives (6=-3m-9). Thus (-3m=15) and (m=-5).
Why this answer is correct
The correct answer is B. (-5). Substituting the point gives (6=-3m-9). Thus (-3m=15) and (m=-5).
Exam Tip
बिंदु रखने पर (6=-3m-9) मिलता है। इससे (-3m=15) और (m=-5) है।
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