Respuesta :


For perpendicular lines:
"Their slopes' product is -1"


As these lines should be parallel, so their slopes would be the same.

Slope of line n:
8/14 = 4/7


Slope of the other line:
k/7

Equating them:
4/7 *  k/7 = -1
4k / 49 = -1

4k = -49

k = - 49/4 = -12.25

This means k= - 12.25


Sorry for confusion





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