Answer:
y = 3x - 3
Step-by-step explanation:
Given, (2,3) and (-1,9), m = 3
Equation of a straight line is y = mx + c
Here, y = 3, x = 2 and m = 3
Substituting the values in y = mx + c we get,
3 = 3(2) + c
c + 6 = 3
c = 3 - 6
c = -3
So, the equation of the line is y = 3x - 3 (Answer).
