Answer:
Step-by-step explanation:
First you find the slope by setting your y2-y1 over your x2-x1 and that gives you -9-1 / 7-6.
simply that and it gives you -10/1 =-10
then you use the formula y-y1= m(x-x1) . So basically you filling in the blanks
and that gives you y+9=-10(x-6)
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