Posted by Rachale on Monday, March 2, 2009 at 9:21am.
Find the y and xintercepts for the equation. Then graph the equation. Does y come first in the solution? I figured that:
the first solution is (0,3) is this correct? and is x = to {3/7,0}? Thanks!
f(x) =  3  7x

Algebra  drwls, Monday, March 2, 2009 at 9:30am
The y intercept is the value of f(x) (which we call y) when x = 0. That equals 3. The coordinates of the point are (0,3)
The x intercept is the value of x when y = 0, which is 3/7, the coordintes of the point are (3/7, 0)
We can't draw the graph for you. It would be straight line passing through those two points.

Algebra  Rachale, Monday, March 2, 2009 at 9:59am
Thank you, so why isn't it positive {3,7,0}? Does the (03) come first then the (3/7,0) OR is it opposite? Thanks

Algebra  drwls, Monday, March 2, 2009 at 11:00am
The first coordinate in a pair of numbers like (0,3) is the x coordinate. It makes no sense to write something like {3,7,0}, as you have done. The minus sign in front of the 3/7 is because that is wnat x is when y = 0. You should see that right away by solving
0 = 3 7x.

Algebra  Michelle, Monday, March 2, 2009 at 12:49pm
Thanks for helping out I see how this fits on the graph now! So my final answer will be (0,3) {3/7,0}?
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