if the graphs of a linear equation are perpendicular what is value of k y=7x+4 3y=kx-6

Answer 1

y = 7x + 4

The slope is m₁ = 7

3y = kx - 6

The slope is m₂ = k/3

Since the lines are perpendicular,

m₁m₂ = -1

7(k/3) = -1

Solve for k and finish from here.