Posted by Rip on Wednesday, May 26, 2010 at 7:18pm.
(4,3) and (-1, 03) when I plot these two on a graph they are parellel. Am I correct. How do I find the slope of the line m=___?
Algebra - Anonymous, Wednesday, May 26, 2010 at 7:23pm
Slope (m)= (y2-y1)/(x2-x1)
m = 0
Using the point slope formula,
y-y1 = m (x-x1)
y-3 = 0 (x-4)
Therefore, y =3 is the equation which is parallel to the x-axis!!
Hope that helps :)
Algebra - lynnette, Wednesday, May 26, 2010 at 7:27pm
for the numberator portion of your answer, subtract the 1st y value from the 2nd y value (remember your ORDER as the same order will apply to the x values later).
next, do the same for your x values.
this is what it looks like:
3- 03 0
----- + --- = "0"
4- (-1) 5
your slope is zero which means you have a horizontal line
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