gjhfdfg
Use the given conditions to write an equation for the line in point-slope form.
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Passing through, |dw:1361127311451:dw|
gjhfdfg
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How would I do this?
zenai
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\[y-y _{1} = m(x -x_{1})\] This is point slope form.
zenai
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find your slope (m) and plug in an x and y value to find your equation.
gjhfdfg
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How would I find it?
gjhfdfg
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Its - (1/3)
gjhfdfg
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So,
-7 - (-6) = - 1/3 ( -5 - (-8)) ?
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Im lost.
gjhfdfg
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Where did the 26 come from?
zenai
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point slope form means you don't solve for y, and gjhfdfg in point slope form you only plug in a single point, which is one X value and one Y value. so - \[(y + 7) = -1/3*(x+5)\] for the point (-5, -7)
zenai
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another right answer would be \[(y+6) = -1/3*(x+8) \] for the point (-6, -8) it doesn't matter what point you use, just that you use one. Hope this helps.
zenai
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the last one is for the point (-8, -6) but yeah sorry.
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Alrighty, I got it thanks for explaining
zenai
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no problem