Respuesta :

BeautifulAfflictions
*Hint: In order to solve this, you first need to find b (the y-intercept) before finding a.

y = mx + b
-2 = 1/2 (4) + b
-2 = 2 + b
b = -4

And now you find a.

a = 1/2 (-4) - 4
a = -2 -4
a = -6
ccchavez08

Answer:-6

Step-by-step explanation: