now we know the slope of line J is -1.
a line perpendicular to J, will have a negative reciprocal slope, therefore,
therefore, line K has a slope of 1, and passes through 3,4,
Reasoning the sum of 8.5 and a number n is negative. What are two facts you can conclude about the number n ?
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now we know the slope of line J is -1.
a line perpendicular to J, will have a negative reciprocal slope, therefore,
therefore, line K has a slope of 1, and passes through 3,4,
