Question

Qual a equacao davreta definida pelos pontos A(5:0) e B(-1:-4

Answer 1

$\left|\begin{array}{cccc}x&5&-1&x\\y&0&-4&y\\\end{array}\right| = 0 \\ 0 - 20 - y -5y + 0 + 4x = 0 \\ 4x - 6 y - 20 = 0 (dividir por 2) \\ 2x -3 y - 10 = 0$