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