Question

calcule a distância do ponto P à reta R:



P (6,4); R: y = - 2x - 6

Answer 1

D= | Ax + By + C / √A²+B²
D = |-2.6 +0.4 -6 | / √2²+0²
D = |-18| / 2
D = 18/2 = 9 ✓