रेखा (y=mx-11) बिंदु ((-4,9)) से गुजरती है। इसकी ढाल क्या है?
The line (y=mx-11) passes through ((-4,9)). What is its slope?
Explanation opens after your attempt
B. (-5)
Concept
Substituting the point gives (9=-4m-11). Thus (-4m=20) and (m=-5).
Why this answer is correct
The correct answer is B. (-5). Substituting the point gives (9=-4m-11). Thus (-4m=20) and (m=-5).
Exam Tip
बिंदु रखने पर (9=-4m-11) मिलता है। इससे (-4m=20) और (m=-5) है।
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