its -2 1
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-- The slope of the graph of [ 4x + y = 2 ] is -4.-- The slopes of perpendicular lines are negative reciprocals.-- The slope of any line perpendicular to [ 4x + y = 2 ] is 1/4 .
The slope is a negative number.
Slope of perpendicular line is the negative reciprocal. So it is -1/4
Points: (-10, -4) and (-1, 2) Slope: 2/3
Slope equals (y2 - y1) / (x2 - x1). In this case, the points are (-2, -4) and (1, 2), so the slope is (2 - (-4)) / (1 - (-2)) = (2+4)/(1+2) = 6/3 = 2.