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| Math Central | Quandaries & Queries |
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Question from Isabelle, a student: Hi! My question is this: Write the equation of each line described: I would really appreciate your help! |
Hi Isabelle,
I drew a diagram and identified a few more points on the line.
Every point on the line has its x-coordinate equal to 10. Also every point in the plane with x-coordinate equal to 10 is on the line. Thus the points on the line are completely described by the statement "the x-coordinate is equal to 10". Said as an equation this is
\[x = 10.\]
Penny
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