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Inequalities. Open and close intervals

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  • What is the highest possible integer value of x when x≤ -8
    -8
  • [6,+∞) write given interval in inequality form.
    x≥6
  • Solve given inequality. 3a-2>10
    a>4
  • Solve given inequality. 5≤x+2<11
    3≤x<9
  • What type of interval is this. (0,15].
    Half open / Half close interval.
  • How many prime numbers can satisfy given inequality. 2≤y<11
    4 prime numbers. (2,3,5,7)
  • What type of interval is this. [4,13] ?
    Close interval.
  • Graph given inequality. 1<x≤6
    Teachers response.
  • What type of interval is this. (-3,5)
    Open interval.
  • x>-2 and x≤8. Plot given inequality.
    Teachers response.
  • What is the lowest possible integer value of x when x>-8 ?
    -7
  • What type of circle will you use while graphing x<0.
    Open(hollow) circle.
  • "a is at least -2" write as inequality.
    x≥-2
  • What possible values of given inequality are devisible by 3. 17≤a<28
    18,21,24,27
  • Read x≥3.
    x greater than or equal to 3.
  • "x is no more then 10" write this word phrase as a inequality notation.
    x≤10
  • Write interval notation form of x≤9.
    (-∞,9]
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