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3 years ago

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Line A passes through the points (0, -5) and 12,1. Line B passes through the points (0, -4) and (10, 1). write an equation for e

ach line

1 answer:

ArbitrLikvidat [17]3 years ago

4 0

Answer:

<em>Line A--></em>

y= 6/12x -5

<em>Line B--></em>

y= 5/10x -4

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$\large\underline{\sf{Solution-}}$

We have to find out the value of the fraction.

<u>Let us assume that:</u>

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<u>Comparing </u>the given <u>equation</u> with <u>ax² + bx + c = 0,</u> we get:

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$\sf \longmapsto x = \dfrac{ - b \pm \sqrt{ {b}^{2} - 4ac } }{2a}$

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$\sf \longmapsto x = \dfrac{2 \pm \sqrt{4 + 4} }{2 \times 1}$

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$\sf \longmapsto x = \dfrac{2 \pm2 \sqrt{2} }{2}$

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<u>But </u><u>"</u><u>x"</u><u> cannot be negative. Therefore:</u>

$\sf :\implies x = 1 + \sqrt{2}$

So, the value of the fraction is 1 + √2.

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