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A student says that for the line passing through
",एक विद्यार्थी कहता है कि बिंदुओं
",
Answer and explanationउत्तर और व्याख्या
Correct answer:सही उत्तर: The y-intercept is 1, because substituting x = 0 gives y = 1.The y-intercept is 1, because substituting x = 0 gives y = 1.
The slope is \(m=\frac{-7-5}{4-(-2)}=-2\). Using \((-2,5)\), \(5=4+b\), so \(b=1\). The value 5 is not a y-intercept because its x-coordinate is -2. Exam tip: put \(x=0\) to find the y-intercept.ढाल \(m=\frac{-7-5}{4-(-2)}=-2\) है। बिंदु \((-2,5)\) रखने पर \(5=4+b\), इसलिए \(b=1\)। 5 y-अवरोध नहीं है, क्योंकि उस बिंदु पर \(x=-2\) है। परीक्षा में y-अवरोध के लिए \(x=0\) रखें।
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