Identify the slope and y-intercept of each linear function's equation. y = 3x - 1
slope = -3; y-intercept at 1
y = 1 - 3x
slope = -1; y-intercept at 3
-X + 3 = y
slope = 1, y-intercept at -3
X-3 = y
slope = 3; y-intercept at -1
Done
Intro

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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.