Question

can some one please help me with this::

Answer 1

Write the equation of a line that is:
perpendicular to 9x + 3y = 15 and goes through the point (-6, 7)

Answer 2

What do you know about the slopes of perpendicular lines?

Answer 3

y = - 3x + 18

Answer 4

i used a program called geogebra.

Answer 5

how did u get that

Answer 6

Geogebra

Answer 7

http://www.geogebra.org/cms/

Answer 8

Programs are good, but its important to know how to do it by hand.

Answer 9

I know i found it
but I dont want to use it

Answer 10

Ok, do you want me to help you?

Answer 11

It is very simple yo use. They even provide help for you too solve these kind of probelms.

Answer 12

Yes I need your help Brittni0605

Answer 13

Ok, so what do you know about the slopes of perpendicular lines?

Answer 14

you have to multiply them by -1

Answer 15

rite? idk

Answer 16

Umm, sort of on the right track. Perpendicular lines have slopes that are negative reciprocals. Do you know what that means?

Answer 17

No can u be a little clear on that?

Answer 18

So you mean B mutiply 3 *-1/3

Answer 19

i got 3 because its the slope isnt it?

Answer 20

Okay whats the slope then
wait you need to find the slope first rite?

Answer 21

Yes.

Answer 22

slope is 3

Answer 23

rite?

Answer 24

No, its not 3. Show me your work.

Answer 25

okay