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Answer:
y = - x +
Step-by-step explanation:
The equation of a line in slope- intercept form is
y = mx + c ( m is the slope and c the y- intercept )
Calculate m using the slope formula
m =
with (x₁, y₁ ) = (1, 8) and (x₂, y₂ ) = (3, 3)
m = = -
, thus
y = - x + c ← is the partial equation
To find c substitute either of the 2 points into the partial equation
Using (1, 8), then
8 = - + c ⇒ c = 8 +
=
y = - x +
← equation of line