Question 101932
Y=mX+b IS THE LINE FORMULA WHERE m=SLOPE & b=Y INTERCEPT.
FIRST WE FIND THE SLOPE (Y2-Y1)/(X2-X1)
(7-3)/(4-2)=4/2=2 WHICH IS THE SLOPE(m)
NOW USE ONE SET OF X,Y VALUES & SOLE FOR b
3=2*2+b
3=4+b
b=3-4
b=-1 THUS THE LINE EQUATION IS:
Y=2X-1