Answer:
the formula for the slope y = mx + b - 4 = ( - 3/4) (8) + b
y=x+4
Explanation:
slope-intersection form: y=ax+b (a=slope, b=y-intersection)
slope is given as 1/4
y=1/4 x +b
substitute (8,6) to solve b,
6=1/4 * 8 + b
b=4
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x+4