Question 821564: I just asked how to find the coordinates of two points on the line with the given equation. The use the points to find the slope of the line. I AM HAVING A VERY DIFFICULT TIME UNDERSTANDING THIS!! COULD YOU PLEASE SHOW ME STEP BY STEP (CLEARLY) HOW TO DO THIS? THANK YOU VERY MUCH!!!
y=-3x+11
Answer by Alan3354(69443)   (Show Source):
You can put this solution on YOUR website! y=-3x+11
-----------
To find points, pick values for x and solve for y.
eg,
x = 0, y = 11 --> (0,11)
x = 3, y = 2 --> (3,2)
x = 100, y = -289 --> (100,-289)
That's all there is to that.
-----------
To find the slope, given 2 points:
slope m = diffy/diffx
Using these 2 points:
x = 0, y = 11 --> (0,11)
x = 3, y = 2 --> (3,2)
diffy = 11-2 = 9
diffx = 0 - 3 = -3
m = 9/-3
m = -3
|
|
|
