Parametric?

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Parametric?

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Answer 1 · 2017-12-15T07:12:42

$"The last one is the correct answer : "$
$( x = -6t - 3, y = 8 t - 7 )$

Explanation:

$"for t = 0 we get (-3,-7) and for t = 1, we get (-9, 1)."$

$"So you have to check each time :"$
$"-3 = -6t - 3 => t = 0"$
$"-7 = 8t - 7 => t = 0, so (-3,-7) is on the line"$
$"so you must get the same t value."$
$"and check the same for the other point (-9, 1)."$

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Parametric?

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