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Slope of the line x/a + y/b = 1 isA) 1/bB) 1/aC) a/bD) - b/a |
Answer» Correct option is (D) -b/a Given line is \(\frac{x}{a}+\frac{y}{b} = 1\) \(\Rightarrow\) \(\frac{y}{b}=1-\frac{x}{a}\) \(\Rightarrow y=-\frac bax+b\) By comparing with \(y=mx+c,\) we get \(m=-\frac{b}{a}\) \(\therefore\) Slope of the line \(\frac{x}{a}+\frac{y}{b} = 1\) is \(m=-\frac{b}{a}.\) Correct option is D) - b/a |
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