To find the slope given two points, all you have to do is plug in the values in the slope formula, which goes as follows:
m = (y2 - y1)/(x2 - x1)
By "y2", I don't mean y times 2, but I mean 2 as a subscript. In the above equation, m = slope between two points (x1,y1) and (x2,y2). Plugging in our values (0,4) and (5,0), we get
m = (0 - 4) / (5 - 0) = -4/5
So the slope of the line that goes through this pair of points is -4/5.
2006-12-15 12:01:02
·
answer #1
·
answered by Puggy 7
·
0⤊
0⤋
You have two pair of x and y coordinates. Subtract the y coordinates from each other, subtract the x coordinates from each other, divide the y difference by the x difference.
In other words, you have:
(y2 - y1) / (x2-x1) = (0 - 4) / (5 - 0) = -4/5
2006-12-15 12:03:04
·
answer #2
·
answered by Bob G 6
·
0⤊
0⤋
Remember that the slope is calculated as
m = (y2 - y1) / (x2 - x1)
So in this case, that's (0 - 4) / (5 - 0) = -4/5
2006-12-15 12:01:36
·
answer #3
·
answered by Mark H 4
·
0⤊
0⤋
Slope (m) is figured as the "rise" over the "run". In other words, the change in the y coordinates divided by the change in the x coordinates:
n = Δy/Δx
You have two points (x1, y1) and (x2, y2). In your example they are (0, 4) and (5, 0):
Δy = y2 - y1 = 0 - 4 = -4
Δx = x2 - x1 = 5 - 0 = 5
m = -4/5
2006-12-15 11:59:15
·
answer #4
·
answered by Puzzling 7
·
0⤊
2⤋
-4/5
2006-12-15 12:03:42
·
answer #5
·
answered by ZelosWilder 5
·
0⤊
0⤋