Question

What is y in the equation y=mx+b?

Answer 1

it is constant I think here if it is the euation of linear equation in 2 variable

Answer 2

The equation of any straight line, called a linear equation, can be written as: y = mx + b, where m is the slope of the line and b is the y-intercept. The y-intercept of this line is the value of y at the point where the line crosses the y axis.

i hope this help you