AM-2400

Parallel and perpendicular lines

A Math · Secondary 4 · Medium · Parallel and perpendicular lines

The points

A(2,5)

and

B(-4,1)

lie on a straight line. Find the equation of the line

AB

.

$y=\tfrac23x+\tfrac{11}{3}$
$y=\tfrac23x-\tfrac{11}{3}$
$y=-\tfrac23x+\tfrac{11}{3}$
$y=-\tfrac23x-\tfrac{11}{3}$

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