Slope m= 3, for Line I
Line k is parallel to Line I
Then also
m'= 3
and equation of Line k is
y= 3x + b
Then , rest to find b in this equation
with point (3,10)= (x,y)
b = y - 3x = 10 - 3•3= 10-9=1
b= 1
THEN
Equation for Line k
ANSWER IS
y= 3x + 1.
OPTION D)