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The slope of a graph - University of British Columbia

The slope of a graph (1)Find the slope of the line through points P(1;1) and Q(x;x2) where: (a) x= 3 Solution: Q= (3;9) so slope is y x = 9 1 3 1 = 4 (b) x= 1:1 Solution: Q= (1:1;1:21) so slope is y x = ... What is the slope of the line tangent to the curve at P(1;1)? What is its equation? Solution: The slope is 2, so the line is y 1 = 2(x 1 ...