Rate of change - (0,4) and (4,0) what is the rate of change
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The rate of change is the slope of the line that passes through the two points
The slope = (y2- y1)/ (x2-x1)
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Replacing the points
Point (x,y)
Point 1 (0,4) x1= 0; y 1= 4
Point 2 (4,0) x2= 4; y2= 0
The slope = (y2- y1)/ (x2-x1) = (0-4)/ (4-0) = -4/4 = -1
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Answer
The rate of change -1 (y units / x units )
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