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Lesson: Identifying Linear Relationships

Video: Introducing Graphs of Linear Equations or Straight Lines

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Video: Representing Linear Functions with Algebra, Tables of Values, and Graphs

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Video: Introducing Linear Functions Using y = mx + b

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Worksheet: Linear Relationships • 9 Questions

Q1:

The graph shows the average number of heartbeats of an elephant over time. Which of the following is represented by the point ?

  • AAn elephant’s heart normally beats 4 times in 120 minutes.
  • BAn elephant’s heart normally beats 4 times in 30 minutes.
  • CAn elephant’s heart normally beats 120 times in 4 minutes.
  • DAn elephant’s heart normally beats 120 times in 1 minute.
  • EAn elephant’s heart normally beats 30 times in 4 minutes.

Q2:

Which of the following functions increases at a higher rate?

  • A(a)
  • B(b)

Q3:

The graph shows the relationship between distance and time in a 160-meter race between a hare and a tortoise. Determine the winner, and then find the average speeds of the hare and the tortoise.

  • Athe tortoise, ,
  • Bthe tortoise, ,
  • Cthe hare, ,
  • Dthe hare, ,

Q4:

The given figure shows the relation between the covered distance in kilometers and the elapsed time in hours for two trains, A and B, between two railroad stations. Find the average speed of each train.

  • Aaverage speed of train A , average speed of train B
  • Baverage speed of train A , average speed of train B
  • Caverage speed of train A , average speed of train B
  • Daverage speed of train A , average speed of train B
  • Eaverage speed of train A , average speed of train B

Q5:

The given figure shows the relation between the covered distance in kilometers and the elapsed time in hours for two trains, A and B, between two railroad stations. Find the average speed of each train.

  • Aaverage speed of train A , average speed of train B
  • Baverage speed of train A , average speed of train B
  • Caverage speed of train A , average speed of train B
  • Daverage speed of train A , average speed of train B
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