Online Self-Tests(E14)

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  1. If x+ 5 = –1, find the value of 3 + (x+ 5).

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  (1 point)

  
  

  Answer:

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  2. Evaluate the expression below if x× (–4) = 16.

  (2 × x) – 6

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  (1 point)

  
  

  Answer:

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  3. Evaluate the expression below if x = –7 and y = –3.

  x – y

  2

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  (1 point)

  
  

  Answer:

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  4. Evaluate the expression below if x = –6 and y = –3.

  2x

  +

  3y

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  (1 point)

  
  

  Answer:

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  5. Evaluate the expression below if x= 40 and y = –8.

  x÷ y

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  (1 point)

  
  

  Answer:

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  6. If x× 8 = –4 and y= 0.8, find the value of x– y.

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  (1 point)

  
  

  Answer:

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