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Rainbow [258]
3 years ago
10

Write an equation that describes the function.

Mathematics
2 answers:
vlabodo [156]3 years ago
7 0
Find the slope, first:
m =  \frac{ y_{1}  - y_{2} }{ x_{1}  - x_{2} }
Use any two points, for example (1,0) and (3, -2)
m =  \frac{-2 - 0}{3 - 1}  = -1
So, the slope is -1.
Then, use the formula for any given point, y and x are constants
y -  y_{1}  = m(x -  x_{1} )
Use, for example, point (1, 0)
y - 0 = (-1)(x - 1)
y = -x +1
So, the equation is y = -x +1
Leona [35]3 years ago
5 0
From the points you get a slope of -1 using the slope in y=mx+b you get b=1 so y=-x+1
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