The slope is -5 and the y-intercept of the line is (7,0).
What is an equation of the line?
An equation of the line is defined as a linear equation having a degree of one. The equation of the line contains two variables x and y. And the third parameter is the slope of the line which represents the elevation of the line.
The general form of the equation of the line:-
y = mx + c
m = slope
c = y-intercept
Slope = ( y₂ - y₁ ) / ( x₂ - x₁ )
The slope will be calculated as,
Slope = ( y₂ - y₁ ) / ( x₂ - x₁ )
Slope = ( -13 - 7) / ( 4 - 0)
Slope = -20 / 4
Slope = -5
The y-intercept will be calculated as,
y = mx + c
7 = 0 + c
c = 7
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