Math Is Fun Forum
You are not logged in.
- Topics: Active | Unanswered
Pages: 1
#1 2007-02-09 03:24:03
- jxharmon
- Member
- Registered: 2007-01-08
- Posts: 104
rewrite as function of x Help!
2x - 3y=-6
am I right in thinking that it would be f(x) = 3/2x-6
Offline
#2 2007-02-09 03:38:06
- luca-deltodesco
- Member
- Registered: 2006-05-05
- Posts: 1,470
Re: rewrite as function of x Help!
the key to remember, is, whatever you do to one side, do to the other:
or as a function
Last edited by luca-deltodesco (2007-02-09 03:40:14)
The Beginning Of All Things To End.
The End Of All Things To Come.
Offline
#3 2007-02-09 03:58:13
- jxharmon
- Member
- Registered: 2007-01-08
- Posts: 104
Re: rewrite as function of x Help!
thanks makes sense now
Offline
#4 2007-02-10 00:47:07
- jxharmon
- Member
- Registered: 2007-01-08
- Posts: 104
Re: rewrite as function of x Help!
My answers include f(x)=2/3x+2; f(x)= 3/2x-3; f(x)=3/2x-6; and f(x)=2/3x+6 so would my answer then be f(x)=2/3x+2?
Offline
#5 2007-02-10 04:24:41
- mathsyperson
- Moderator
- Registered: 2005-06-22
- Posts: 4,900
Re: rewrite as function of x Help!
None of those options are right. The correct answer is f(x) = -2/3x - 2.
It's possible that it may have been factorised and be written as -(2/3x + 2) in your solution.
Why did the vector cross the road?
It wanted to be normal.
Offline
#6 2007-02-10 08:54:53
- jxharmon
- Member
- Registered: 2007-01-08
- Posts: 104
Re: rewrite as function of x Help!
don't know what I gave you is all the info I received it says rewrite the equation 2x - 3y = -6 as a function of x that is what I was trying to do. does this help as that is all that I have.
Offline
#7 2007-02-10 14:42:59
- Toast
- Real Member
- Registered: 2006-10-08
- Posts: 1,321
Re: rewrite as function of x Help!
The answers must be wrong xD.
Offline
Pages: 1