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OpenStudy (anonymous):
A line has a slope of -1 and contains the points (1, 2) and (2, y). The value of y is... Can you show me the steps to solve this...
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myininaya (myininaya):
\[-1=\frac{y-2}{2-1} => -1=\frac{y-2}{1} =>-1=y-2 => -1+2=y => 1=y\]
myininaya (myininaya):
i just used the formula for the slope
OpenStudy (anonymous):
thanks
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