Respuesta :

Wallind11

Step-by-step explanation:

[tex]y = \frac{1}{2} x + 4[/tex]

and,

[tex]y = - 2x - 3[/tex]

represents perpendicular lines.

Two lines are perpendicular when product of their slopes = -1

In, y =½x+4

m1 = ½

In y = -2x -3

m2 = -2

Now, m1× m2 = ½× (-2) = -1