Which of the following equations would have 2 x-intercepts

Opposite angles in a cyclic quadrilateral add up to 180°

The major difference is that a histogram is only used to plot the frequency of score occurrences in a continuous data set that has been divided into classes, called bins.  bar charts, on the other hand, can be used for a great deal of other types ofvariables  including  ordinal  andnominal  data sets.