To graph an equation, first choose some x-values you like. Then, calculate the corresponding y-values using the equation. Now you have several number pairs (ordered pairs) that you can PLOT as POINTS (the x and y values are the x- and y-coordinates of the point).
In this lesson, the equations are LINEAR equations, so we can draw a line through the points to complete the graph. Of course, there also exist other types of equations whose graphs are not straight lines — you will learn about those in algebra I and algebra II courses.
Introduction to slope — video lesson
Variable on both sides — video lesson
Math Mammoth Grade 7 curriculum (pre-algebra)
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"Mini" Math Teaching CourseThis is a little "virtual" 2-week course, where you will receive emails on important topics on teaching math, including:
- How to help a student who is behind You will also receive: A GIFT of over 400 free worksheets and sample pages from my books right in the very beginning.![]() We respect your email privacy.
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Maria's Math TipsEnter your email to receive math teaching tips, resources, Math Mammoth news & sales, humor, and more! I tend to send out these tips about once monthly, near the beginning of the month, but occasionally you may hear from me twice per month (and sometimes less often). Peek at the previous tips here. You will also receive:
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