Jacquie has 20 postcards in her collection. each time she goes on vacation she buys 8 postcards to add to her collection. The total number of postcards y can be represented by the equation y=8x+20. Complete the following statements regarding the line.

The slope of the line is ___ and the y-intercept is ___. The ___ represents the number of postcards when she began collecting and the ___ represents the number of postcards added each vacation.