A period on the periodic table is a horizontal row. The atoms in this row show a trend in their width, and in the amount of work needed to make them an ion, among the fe â¦ w other similarities.
The x-axis and y-axis Remembered! The x-axis and y-axis are two lines that create the coordinate plane. The x-axis is a horizontal line and the y-axis is a vertical line. I'm sure you've heard that a million times, but it might hard for you to remember which one is which. Here is a little trick to help you remember...
Some guidelines. --When dealing with a relation, the x and y variables have particular roles to play. axis.) Often, x is a quantity which we can change or have control over. see how y reacts to different values of x. variable, and y the dependent or response variable. that x is used to predict y.