MathSux^2: Putting math into normal people language.

Algebra: How to Graph y=mx+b

Hi everyone, welcome back to Mathsux! This week we’ll be reviewing how to graph an equation of a line in y=mx+b form. And if you have not checked out the video below, please do! Happy calculating! 🙂

Graphing an Equation of Line: An equation of a line can be represented by the formula:

Y-Intercept: This is represented by b, the stand-alone number in y=mx+b. This represents where the line hits the y-axis. This is always the first point you want to start with when graphing at coordinate point (0,b).

Slope:This is represented by m, the number next to x in y=mx+b. Slope tells us how much we go up or down the y-axis and left or right on the x- axis in fraction form:

Now let’s check out an Example!

Graph the equation of a line .

Try the following practice questions on your own!

Practice Questions:

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Great post. I like the graphics as they really help students

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Thanks so much! That’s what I’m going for!

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