कौन सी रेखा ( (0,16) ) पर (y)-अक्ष काटती है और (x) के (6) बढ़ने पर (y) (42) घटाती है?
Which line cuts the (y)-axis at ( (0,16) ) and decreases (y) by (42) when (x) increases by (6)?
Explanation opens after your attempt
B. (y=-7x+16)
Concept
The slope is \(-\frac{42}{6}=-7\) and the (y)-intercept is (16). So (y=-7x+16) is correct.
Why this answer is correct
The correct answer is B. (y=-7x+16). The slope is \(-\frac{42}{6}=-7\) and the (y)-intercept is (16). So (y=-7x+16) is correct.
Exam Tip
ढाल \(-\frac{42}{6}=-7\) है और (y)-अवरोध (16) है। इसलिए (y=-7x+16) सही है।
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