1.3 Coordinate geometry in the (x, y) plane

The line $l_1\,$ has equation $4 y - 3 x = 11$

The line $l_2\,$ passes through the points $(3, 5)$ and $(- 5, - 1)$ .

Determine, giving full reasons for your answer, whether lines $l_1\,$ and $l_2\,$ are parallel, perpendicular or neither.

[4]

The line $l_1\,$ has equation $4 y - 3 x = 11$

The line $l_2\,$ passes through the points $(3, 5)$ and $(- 5, - 1)$ .

Determine, giving full reasons for your answer, whether lines $l_1\,$ and $l_2\,$ are parallel, perpendicular or neither.

[4]

1.3 Coordinate geometry in the (x, y) plane Questions