these two linear equations are parallel
:dy+3x=2
and x-3y=0
What is the value of d if lines are parallel
2006-07-20 09:48:59 · 14 answers · asked by LIL'me 1 in Education & Reference ➔ Homework Help
NOT LAZY IT'S JUST A CHALLENGE TO SEE WHO CAN SOLVE IT
2006-07-20 10:05:50 · update #1
x - 3y = 0
3y = x
y = (1/3)x
slope = 1/3
dy = -3x + 2
y = -(3/d)x + 2/d
slope = -3/d
If the lines are parallel, then the slopes are equal.
1/3 = -3/d
d = -9
2006-07-20 09:54:54 · answer #1 · answered by MsMath 7 · 5⤊ 0⤋
1
2006-07-20 16:52:27 · answer #2 · answered by Anonymous · 0⤊ 0⤋
3
2006-07-20 16:52:42 · answer #3 · answered by Anonymous · 0⤊ 0⤋
Firstly,
x - 3 y = 0 ;
x = 3 y ; or
y = x / 3 ;
d y + 3 x = 2 ;
d [ x / 3 ] + 3 x = 2 ;
d x / 3 + 3 x = 2 ;
d x + 9 x = 6 ;
x [ d + 9 ] = 6 ;
2006-07-20 17:40:57 · answer #4 · answered by fzaa3's lover 4 · 0⤊ 0⤋
I will help: if they are parallel, then the slopes must be equal. Re-arrange the equations so that you can figure out what the slopes are, set them equal, and solve for d.
2006-07-20 16:52:43 · answer #5 · answered by Qwyrx 6 · 0⤊ 0⤋
OUCH! That problem makes my head hurt just looking at it. It's summer! No one should be doing math!
Don't listen to them. I hate it when you are trying to ask a serious question and people think you are just trying to cheat on your homework! GOOD LUCK!!!
2006-07-20 16:52:14 · answer #6 · answered by Anonymous · 0⤊ 0⤋
Wow are you smart or what. Its been so long since i had to do any math that it looks so hard. Good luck.
2006-07-20 16:52:31 · answer #7 · answered by Anonymous · 0⤊ 0⤋
the answer is doing ur own work or tutoring
2006-07-20 16:51:29 · answer #8 · answered by h_wallbanga 4 · 0⤊ 0⤋
boi do ur own homework its summer have fun!
2006-07-20 16:52:43 · answer #9 · answered by jordanian_muslim 2 · 0⤊ 0⤋
hey u!!!dont be lazy n do ur own homework!!
2006-07-20 17:02:03 · answer #10 · answered by Anonymous · 0⤊ 0⤋