Online Self-Tests(E5)

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

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  (1 point)

  
  

  Answer:

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

  (3 × x) – 1

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  (1 point)

  
  

  Answer:

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

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  (1 point)

  
  
  

  Answer:

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  4. If x= –2 and y= 12, find the value of y ÷ x.

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  (1 point)

  
  
  

  Answer:

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  5. Evaluate the expression below if x– 9 = –1 and y= 2.

  x ÷ y

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  (1 point)

  
  

  Answer:

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  6. If xx 2 = –18 and y= 7, find the value of x– y.

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  (1 point)

  
  

  Answer:

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