Page 150 - aljaber

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Inequalities

[Notations] ( . )

3+x =2 x = −1 x . 3x = 2
x

x .x = 2

3

3x ≥ 2 3 + x ≤ 2 3 + x > 2

≥≤>< .

:

2 1 > 2 −5 > −7 4 > 3 y x x >y
2
y x x <y
2 < 2 1 −7 < −5 3 < 4 y x x ≥y
2 y x x ≤y

−2 ≥ −3 4 ≥ 4 4 ≥ 3

−3 ≤ −2 4 ≤ 4 3 ≤ 4

QSW