Online Self-Tests(E2)

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  1. If x – 2 = 1, find the value of (x – 2) + 1.

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  (1 point)

  
  

  Answer:

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  2. Evaluate the expression when x x 0.1 = 10.

  (0.1 × x) – 9

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  (1 point)

  
  

  Answer:

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  3. If x = 3 and y = 2 , find the value of x – 1 × y.

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  (1 point)

  
  

  
  

  Answer:

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  4. If x = 2 and y= 3, find the value of y – x.

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  (1 point)

  
  

  Answer:

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  5. Evaluate the expression when x = 0.1 and y = 10.

  x x y

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  (1 point)

  
  

  Answer:

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  6. If (x × 5) = 10 and y = 0.5, find the value of x – y.

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  (1 point)

  
  

  Answer:

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