Beginning & Intermediate Algebra
x−x1=m(y−y1)x-x_1=m\(\left\)(y-y_1\(\right\))
y=m(x−x1)+x1y=m\(\left\)(x-x_1\(\right\))+x_1
y−y1=m(x−x1)y-y_1=m\(\left\)(x-x_1\(\right\))
y=mx+by = mx + b