Answer: y=4x+1
Explanation:
So you have m=4, and (-2,-7) as a point
As a reminder Slope Intercept Form is y=mx+b, where b is the y-intercept
so you know the slope is four, y=4x+b, and all you have to do now is plug in the values of the point (-2,-7)
-7=4*-2+b, -7=-8+b, b=1
So your final answer is y=4x+1