:identify the slope (m) and y-intercept (b) of the graph of each equation.
y=−4x−12

The slope would be -4 because it implied that every time you input an x value the -4 shall be multiplied that amount of times and the y-intercept would be -12 as that’s the amount you begin with. For example, I owed 12 dollars in the beginning and every day I end up owing 4 dollars to the bank. The days would be x