12.07.2015 Views

Math 017 Materials With Exercises

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d) z 3e) z 13 Ex.22 Knowing x 10, which of the following inequalities must also be true?a) x 10 0b) 2x 20x3c) 5d) x 3210Ex.23 Knowing 2x 0, which of the following inequalities must also be true?a) x 2b) x 0c) x 2d) 2x 0Ex.24 Solve the following inequalities and graph their solutions.a) 2x 8b) x 1 xc) 0.3x 0. 6d) 3 2a11e) 6 x 4f) 2a1 3Ex.25 Solve the following inequalities. Each time you perform the operation on both sides ofinequality, name the operation together with the operand (for example write “adding 2 to both sides”,“dividing both sides by 3”, and so on).a) 4 3 ab) 3x1 63x xc) 15d) 5 44xx 1e) 1 1f) 144Ex.26 Solve the following inequalities.a) 3x 18 xb) 12 c) 2 3x 14d) x xe) x xf) 3a 4ag) 4x 17x 5h) x 1 6x 23i) x 12j) x 8 x 9k) 2 a 4a 5a 2l) 4x1 2( x 5)m) 3(x 2) 3x 21n) 3x1 3( x )3o) 3(2 5) 6x163 2x1 2 x x 2q) 5 y y 3r) 1x p) 242a 3s) 1 5a52323t) 3 23a 5 6a104

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