यदि रेखा (y=-(p+4)x+20) (x) के (5) बढ़ने पर (y) (55) घटाती है, तो (p) क्या है?
If the line (y=-(p+4)x+20) decreases (y) by (55) when (x) increases by (5), what is (p)?
Explanation opens after your attempt
C. (7)
Concept
The slope is (-(p+4)) and the decrease is (5(p+4)=55). So (p+4=11) and (p=7).
Why this answer is correct
The correct answer is C. (7). The slope is (-(p+4)) and the decrease is (5(p+4)=55). So (p+4=11) and (p=7).
Exam Tip
ढाल (-(p+4)) है और कमी (5(p+4)=55) होगी। इसलिए (p+4=11) और (p=7) है।
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