SOLUTION: Robert says that the slope of the line passing through (1,7) and (3,9) is equal to 1-3/7-9. Is he correct?

SOLUTION: Robert says that the slope of the line passing through (1,7) and (3,9) is equal to 1-3/7-9. Is he correct?

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Question 838773: Robert says that the slope of the line passing through (1,7) and (3,9) is equal to 1-3/7-9. Is he correct?
Answer by Fombitz(32388) (Show Source): You can put this solution on YOUR website!
No, slope is change in y divided by change in x.
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