For a point with a slope 3/4 and which passes through the points (-2, 6) and (-8, k), the value of k is 1.5
The line passes through the points (-2, 6) and (-8, k)
That is, 
The slope of the line, m = 3/4
The formula for calculating the slope of a line is given as:

Substitute
into the formula above

Therefore, the value of k is 1.5
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