Question 197343
Find an equation of the line that satisfies the given conditions.
through (8, 1); parallel to the line passing through (9, -1) and (-4, -5) 
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1st: Find the slope
m = (-5--1)/(-4-9) = -4/-13 = 4/13
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Form: y = mx + b
You know y = 1 when x = 8, and m = 4/13; solve for "b":
1 = (4/13)8 + b
1 = 32/13 + b
b = (13/13)-(32/13)
b = -19/13
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Equation:
y = (4/13)x - (19/13)
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Cheers,
Stan H.