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Answer:
y = - x + 1
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 = [tex]\frac{y_{2}-y_{1} }{x_{2}-x_{1} }[/tex]
with (x₁, y₁ ) = (0, 1) and (x₂, y₂ ) = (4, - 3) ← 2 points on the line
m = [tex]\frac{-3-1}{4-0}[/tex] = [tex]\frac{-4}{4}[/tex] = - 1
the line crosses the y- axis at (0, 1 ) ⇒ c = 1
y = - x + 1 ← equation of line