Question 510948
m = slope
.
m = change in y / change in x
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m = (8-7) / (4-8)
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m = 1/-4
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m = -1/4
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y = -1/4x + b
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Use one of the points to find 'b'
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(4,8)
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8 = -1/4(4) + b
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8 = -1 + b
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b = 9
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{{{graph(500,500,-20,20,-20,20,-1/4*x+9)}}}