Question

Which of the following is the point-slope equation of the line with a slope = 3 and a point of (2, 1)?

Answer 1

the equation in point slope form where yo have a point (x1,y1) on the line and the slope is m is
y-y1=m(x-x1)

so
point (2,1)
slope=3=m

x1=2
y1=1

y-1=3(x-2)

A is da answer