Final answer:
The equation "M = IF -13 1/2 + 28 2/3x = y" represents a mathematical equation that shows the relationship between M, x, and y.
Step-by-step explanation:
The equation "M = IF -13 1/2 + 28 2/3x = y" represents a mathematical equation.
In this equation, M is the dependent variable, x is the independent variable, and y is the output variable. The equation shows that M is determined by the values of x and y, with specific coefficients and constants.
The equation can be used to find the relationship between M, x, and y by substituting values for x and solving for y, or vice versa.