Answer:
y = 3x - 7
Explanation:
Use the slope intercept formula [ y = mx + b ], the slope, and the point given to find the y-intercept.
-1 = 3(2) + b
-1 = 6 + b
-7 = b
Now input the values we solved for and what we are given back into the formula.
y = 3x - 7
Best of Luck!