SOLUTION: write the equation of a line that goes through the points (2,0) and (0,2).

Question 57878: write the equation of a line that goes through the points (2,0) and (0,2).
Found 2 solutions by hayek, funmath:
Answer by hayek(51) (Show Source): You can put this solution on YOUR website!
If it's a straight line, we know the equation has this form:
where m is the slope and b is the y-intercept. We just need to determine m and b, two unknowns. So, we need two equations, which are supplied by the problem. The problem gives us two points the line goes through, so the equation for the line must be satisfied for each of those points. Just plug each point into the equation:
line through (2,0): , which simplifies to:
line through (0,2): , which simplifies to:
Plugging this result into the previous equation gives:
, or
Now, we plug our solution for m and b back into the line equation. So the equation of the line through the two points is: .
As you will see from the graph of , the line goes through both of the points.

Answer by funmath(2933) (Show Source): You can put this solution on YOUR website!
write the equation of a line that goes through the points (2,0) and (0,2).
To write an equation of a line we need a point and a slope.
The equation for slope when given two points is:
Your (x1,y1) = (2,0) and your (x2,y2)=(0,2)

m=-1
The slope intercept form of a line is where slope=m and (0,b) is the y-intercept.
your m=-1 and (0,b)=(0,2)

Happy Calculating!!!
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