Answer:
y = -2x +5
Explanation:
You want an equation for the graph showing a line with a y-intercept of 5 and a slope of -2.
Slope
The slope of the line is the ratio of "rise" to "run". The line on the graph goes down 2 units (rise = -2) for each 1 unit to the right (run = 1). This means the slope is ...
m = rise/run = -2/1 = -2
Intercept
The y-intercept is the value of y where the line crosses the y-axis. It is ...
b = 5
Equation
The slope-intercept equation for the line is ...
y = mx +b
y = -2x +5
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