Online Self-Tests

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  1. If x = 2.5, find the value of 1.5 + (x – 0.5).

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  (1 point)

  
  

  Answer:

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  2. Evaluate the expression below when x = 1.2.

  (1.2 + x) – 0.6

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  (1 point)

  
  

  Answer:

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  3. If x = 2.8, find the value of x – (1.4 + 0.9).

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  (1 point)

  
  
  
  

  Answer:

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  4. If x = 1.5, find the value of 2.8 – x.

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  (1 point)

  
  
  
  

  Answer:

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  5. Evaluate the expression below when x = 4.2 and y = 1.5.

  x – y

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  (1 point)

  
  

  Answer:

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  6. If x = 2.5 and y = 1.8, find the value of x – y.

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  (1 point)

  
  

  Answer:

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