Not Zero
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Not Zero


In a Cartesian coordinate system, it is a point where a graph intersects one of the two axes

In analytical geometry, the 𝑦-intercept or vertical intercept is a point on the 𝑦-axis of the Cartesian coordinate system crossed by the graph of a function or relation. As such, the value of the 𝑥-coordinate at that point is always 0.




Not zero deals with mathematics without any pretense of completeness or originality. It doesn’t want to teach anyone anything. Please take it as personal entertainment, born to clarify the ideas to its author.

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Michele Diodati

Michele Diodati

Science writer with a lifelong passion for astronomy and comparisons between different scales of magnitude.

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