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Less than
Greater than
Less than or equal to
Greater than or equal to
Vocabulary
100
2x < 6
x < 3
100
5x > -45
x > -9
100
x+7 ≤ 21
x ≤ 14
100
x - 4 ≥ -28
x ≥ -6
100
What does "inverse" mean?
Opposite
200
-2x > 14
x < -7
200
x - 12 ≤ 24
x ≤ 36
200
3x ≥ -36
x ≥ -12
200
What is the sign of a number that is less than zero?
Negative
300
2x + 8 < 30
x < 11
300
-3x - 2 > 13
x < -5
300
8x + 5 ≤ -35
x ≤ -5
300
-7x + 1 ≥ 15
x ≤ -2
300
Is this an expression or equation? 2x+7-11+100x
Expression
400
-9x +4 < -41
x > 5
400
-5x - 7 > 23
x < -6
400
6x + 7 ≤ -35
x ≤ -7
400
10x - 17 ≥ -117
x ≥ -10
400
What is the distance away from zero called?
Absolute value
500
-2x + 9 < -11
x > 10
500
-7x + 7 > 77
x < -10
500
-9x -9 ≤ -99
x ≥ 10
500
12x - 3 ≥ 33
x ≥ 3
500
What do you call a number that can NEVER be changed into a fraction?
Irrational