SOLUTION: Find the coordinates of the point where the line 2y= x -4 cuts the x axis. Find the equation of the straight line through this point and (-1,10)

Algebra ->  Expressions-with-variables -> SOLUTION: Find the coordinates of the point where the line 2y= x -4 cuts the x axis. Find the equation of the straight line through this point and (-1,10)      Log On


   

Question 868503: Find the coordinates of the point where the line 2y= x -4 cuts the x axis. Find the equation of the straight line through this point and (-1,10)
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
When it crosses the x-axis, y=0
2%280%29=x-4
x-4=0
x=4
(4,0)
First, find the slope.

Use the point slope form with either point,
y-0=-2%28x-4%29
y=-2x%2B8
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2y=x-4 Red line
y=-2x%2B8 Green line