Yes.
A linear equation is one in which the maximum power of a variable (usually x) is 1.
In y = mx + b the x has a maximum power of 1.
If b = 0, the equation becomes y = mx and x still has a maximum power of 1.
The b is the y-intercept, ie it shifts the line up/down the y-axis and does not affect the shape of the graph, which stays a line: hence a linear equation.
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in the equation: y=mx+b , the y-intercept is represented by "b".
That is called slope - intercept form
Well, you take y=mx+b and you fill in the numbers M= slope y= y-coordinate x= x-coordinate
Yes.
The equation y = 13x is in the form "y = mx + b" (in this case, b is zero). Therefore, the equation is linear.