What is the mathematical expression represents the equation of a straight line?

Answer:
What you're referring to is called a Linear function.

It always looks like y = mx +b when in standard form.
Where M is the slope of your line (how tilted is it) and B is where the line crosses the y-axis on the graph. (y-intercept)
First answer by Lilaan. Last edit by Lilaan. Contributor trust: 9 [recommend contributor recommended]. Question popularity: 1 [recommend question].