I'm assuming you meant to write the slope is 1/2
slope is 1/2
so using the equation y-y₁=m(x-x₁)
Now don't forget that m= slope
so in our given points y₁ is the second number -3
x₁ is the first number -2.
now put it all together in their places.
y + 3 = 1/2 ( x + 2 )