Online Self-Tests(E1)

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  1. If x+ 8 = – 1, find the value of 3 + (x–1).

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  (1 point)

  
  

  
  

  Answer:

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  2. Evaluate the expression below if x× (–2) = 6.

  (7 × x) – 1

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  (1 point)

  
  

  Answer:

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  3. If x= 12 and y= –4 , find the value of x– 3 × y.

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  (1 point)

  
  

  Answer:

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  4. If x= –4 and y= 17, find the value of y– x.

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  (1 point)

  
  

  Answer:

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

  x÷ y

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  (1 point)

  
  

  Answer:

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  6. If x× 2 = –8 and y= 4, find the value of x– y.

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  (1 point)

  
  

  Answer:

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