Online Self-Tests(E2)

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  1. If x+ 3 = – 2, find the value of x+ 3 × (–1).

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  (1 point)

  
  

  Answer:

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  2. Evaluate the expression below if x× (–5) = 5.

  3 – x× (–5)

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  (1 point)

  
  

  Answer:

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  3. If x= –5, find the value of (–10) × x+ x.

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  (1 point)

  
  

  Answer:

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  4. If x= 5 and y= –15, find the value of y– x.

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  (1 point)

  
  

  Answer:

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  5. Evaluate the expression below if x= 10 and y= –5.

  x× y

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  (1 point)

  
  

  Answer:

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

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  (1 point)

  
  

  Answer:

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