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Maths Exercices

Line graphs


A Line graph (chart) is a way to summarize series of quantities.

  • The horizontal scale across the bottom and the vertical scale along the side provides information on how much or how many.
  • The points on the graph show the facts.
  • The lines connecting the points give estimates the values between the points.

The following line graph represents the value of Robert's baseball card collection.

  1. How much has the value of Robert's collection increased from January to June? $10.00.
  2. If this trend continues, what would be a reasonable estimate for the value of this collection in July? $132.50

The speed of 70 cars on a highway were measure by radar.



5 cars were travelling between 50 and 60 miles per hour.

True
False