Respuesta :

icedipping
y - 6 = -0.5*(x + 1)

The gradient -0.5 is obtained from taking (5 - 6)/(1 - -1)
First, let's find the slope:
5-6 = -1
1 - (-1) = 2
-1/2 or -0.5

There are two choices for an equation:
y - 5 = -0.5(x - 1)
or
y - 6 = -0.5(x + 1)

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