Inequality graph

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March 3rd 2009, 07:41 PM
mgutmans02

Inequality graph

-x + y > 3

please list 4 points on a graph for x & y

thanks!!!(Rofl)
March 3rd 2009, 08:00 PM
meymathis

It's not clear what you asking for. Please state the full problem. Are you asking for 4 points in the region? Are you asking for 4 points on the graph of the line? Does X and Y have to be integer valued?
March 3rd 2009, 08:03 PM
craigmain

It's a simple line, (I think)

Hi,

The equation is the area above a line.
$y>=x+3$ consists of all the points including and above $y=x+3$ which is a line with gradient 1, x intercept $(-3,0)$ and y intercept $(0,3)$
March 3rd 2009, 08:14 PM
meymathis

Yes it is a region bounded by a simple line. I can name lots of points that have something to do with the line and the region. It is not clear what the question is asking.
March 3rd 2009, 08:59 PM
Jameson

Quote:

Originally Posted by craigmain

Hi,

The equation is the area above a line.
$y>=x+3$ consists of all the points including and above $y=x+3$ which is a line with gradient 1, x intercept $(-3,0)$ and y intercept $(0,3)$

I think the term "gradient" is too advanced for pre-calculus, although it's certainly correct and might be understood. Slope seems to be more commonly because early algebra only teaches about lines with constant gradients. I'm not correcting you, I just want to point out to take in mind the level of the poster.

Quote:

Originally Posted by meymathis

Yes it is a region bounded by a simple line. I can name lots of points that have something to do with the line and the region. It is not clear what the question is asking.

Agreed. Badly written question. "on a graph" could mean so many things.