Question

Which lines are parallel? The red line has points (2,1) (7,11). The blue line has points (-5,2) (4,9). The green line has points (5,11) (3,7).

Answer 1

Answer:

the red lines are parallel... (2,1) (7,11)

hope it's helps you...

Answer 2

The red line and the green line are parallel.

If the lines to be parallel the their slopes must be equal.

In the given question, Red line and Green line have same slope m = 2

Formula used :

$m = \frac{y2 - y1}{x2 - x1}$

Refer the attachment for better understanding.. ✔️