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 Interactive Checkpoint
 Number Line:  A line on which points are marked off at regular intervals (i.e., evenly spaced) and labeled with ordered numbers.

  Answer the following questions about number lines.

Input each answer below and press tab to check

Graded Response
a) What is the distance between points A and B on the number line shown below?
a)
b) Segment CD is on a number line. If point C is at 5, and CD has a length of 12, what is a possible position of D on the number line? b)  
c) Where is the midpoint of segment UV on the number line shown below?
c)
d) The graph of x<-2 is shown below. Identiffy a point that does not satisfy this inequality. d)