SOLUTION: How do i write an equation with the points (0,4),(3,3)

Question 284138: How do i write an equation with the points (0,4),(3,3)
Answer by oberobic(2304) (Show Source): You can put this solution on YOUR website!
When you know two points, use the slope-intercept form: y = mx+b
m = rise / run = change in y / change in x
.
m = (4-3) / (0-3) = 1/-3 = -(1/3)
.
y = -1/3x+b
.
Now substitute one of the point's values to find b.
.
4 = -(1/3)(0) + b
b = 4
.
Check using the second point.
.
3 = -1/3(3) + b = -1 + b
b = 4
.
Therefore,
y = -1/3x + 4
.
Graph it for another check.
.

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