Question

Consider the line 2x-4y=8.

What is the slope of a line perpendicular to this line?

What is the slope of a line parallel to this line?

Answer 1

perpendicular lines have negative reciprocal slopes
parallel line have same slopes

Answer 2

Wait really, so what wuold I have to do?

Answer 3

first find slope of your line

Answer 4

wait would it be for the perpindicular -- >-8
and for the paralell it would be 8?

Answer 5

2x-4y=8.
-4y=8-2x
y=(-2x+8)/(-4)=1/2x-2

the slope of your given line is 1/2

Answer 6

the slope if 1/2.

the negative reciprocal to 1/2 is -2.

Answer 7

so just to reiterate, the perpidicular would be -2 and the parellel would be the same?

Answer 8

yes

Answer 9

thanks other dude !

Answer 10

no problem :P