Online Self-Tests(E12)

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  1. If x– 2 = – 5, find the value of 1 + (x– 2).

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  (1 point)

  
  

  Answer:

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  2. Evaluate the expression below if x× (–2) = 1.

  2 × (x – 2)

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  (1 point)

  
  

  Answer:

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  3. Evaluate the expression below if x = 2 and y = –8.

  x + y

  2

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  (1 point)

  
  

  Answer:

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  4. Evaluate the expression below if x = –2 and y = –2.

  2x

  –

  2y

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  (1 point)

  
  

  Answer:

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  5. Evaluate the expression below if x= 18 and y = –6.

  x÷ y

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  (1 point)

  
  

  Answer:

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  6. If x× 5 = –20 and y= 12, find the value of x– y.

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  (1 point)

  
  

  Answer:

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