The slope of the line that contains the points (2,1) and (6,3) can be found by looking at the rise divided by the run.
This is the change in y values divided by the change in x values.
In this case this is (3-1)/(6-2)=2/4 or 1/2 which is the slope.
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Points: (-3, -2) and (1, 2) Slope: 1 Equation: y = x+1
Points: (-3, -2) and (1, 2) Slope: 1 Equation: y = x+1
Points: (-1, 2) and (3, -1) Slope of line: -3/4
Line k: (4, 2), (-4, 4)slope mk = (4 - 2)/(-4 - 4) = 2/-8 = - 1/4Line h: (-8, 1), (8, -3)slope mh = (-3 - 1)/(8 - -8) = -4/16 = - 1/4Since both lines have equal slopes, - 1/4, the lines are parallel.
Points: (-10, -4) and (-1, 2) Slope: 2/3