Respuesta :
[tex]m=\frac{y_2-y_1}{x_2-x_1}[/tex]
multiply both sides by [tex](x_2-x_1)[/tex]
[tex]m(x_2-x_1)=y_2-y_1[/tex]
add [tex]y_1[/tex] to both sides
[tex]m(x_2-x_1)+y_1=y_2[/tex]
[tex]y_2=m(x_2-x_1)+y_1[/tex]
answer is C
[tex]m=\frac{y_2-y_1}{x_2-x_1}[/tex]
multiply both sides by [tex](x_2-x_1)[/tex]
[tex]m(x_2-x_1)=y_2-y_1[/tex]
add [tex]y_1[/tex] to both sides
[tex]m(x_2-x_1)+y_1=y_2[/tex]
[tex]y_2=m(x_2-x_1)+y_1[/tex]
answer is C