By failing to prepare, you are preparing to fail.
X2017-04-02T18:25:25+10:00

## X

##### Definition
x-axis the horizontal axis on a number plane

x bar $\overline{x}$ the mean, or the average: add the numbers and divide by how many there are
x intercept the point where a line or curve cuts the x-axis. We can find the x intercept by setting y = 0