SOLUTION: How do I find out if this equation (y=2x+1) is linear or not?

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Question 8029: How do I find out if this equation (y=2x+1) is linear or not?
Answer by glabow(165) About Me  (Show Source):
You can put this solution on YOUR website!
The slope-intercept form of a line is y+=+mx+%2B+b. It would appear that this equation is of that form. It is, then, the equation of a line that has the slope 2 and crosses the y axis at 1.