Write the equation of the line in slope intercept form

y = - x + 3

the equation of a line in slope- intercept form is

y = mx + c ( m is the slope and c the y-interceot )

to calculate m use the gradient formula

m = (y₂ - y₁ ) / (x₂ - x₁ )

with (x₁, y₁ ) = (0, 3) and (x₂, y₂ ) = (4, 0 ) ← 2 points on line

m = = -

the line crosses the y- axis at (0, 3 ) → c = 3

y = - x + 3 ← in slope-intercept form

associative property of multiplication

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step-by-step explanation: