find the slope of the line passing through the points A(-3½,3) and B(-7,2½)
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Answer:
Step-by-step explanation:
у=кх+в
A(-3½, 3) : 3=к*(-3½)+в
B (-7, 2½) : 2½=к*2½+в
0,5=-6к
К=-1\12
tg a=-1\12
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