Online Self-Tests(E20)

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  1. If x = 9, find the value of (2 × x) + 3.

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  Answer:

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  2. Evaluate the expression when x = 4.

  (2 + x) + 4

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  Answer:

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  3. If x = 6, find the value of 10 – (x + 3).

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  Answer:

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  4. If x = 4, find the value of (12 ÷ x) – 1.

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  (1 point)

  
  

  Answer:

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  5. Evaluate the expression when x = 4.

  1 + (x × 3 )

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  (1 point)

  
  

  Answer:

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  6. If x = 9, find the value of (x ÷ 3) + 1.

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  (1 point)

  
  

  Answer:

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