Disequazioni fratte di primo grado Algebra 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 v 3.0 π₯π₯ >5 π₯π₯ − 2 2 < π₯π₯ < π₯π₯ + 4 <2 π₯π₯ − 3 π₯π₯ < 3 ∨ π₯π₯ > 10 3π₯π₯ ≥8 π₯π₯ − 6 6 < π₯π₯ ≤ π₯π₯ − 2 >0 π₯π₯ + 3 48 5 π₯π₯ < −3 ∪ π₯π₯ > 2 π₯π₯ + 3 >0 π₯π₯ − 2 π₯π₯ < −3 ∪ π₯π₯ > 2 π₯π₯ + 3 <1 π₯π₯ − 2 − 5 2 π₯π₯ < 2 2π₯π₯ + 3 ≥0 5π₯π₯ + 1 3 1 − ≤ π₯π₯ < − 2 5 2π₯π₯ − 1 >0 π₯π₯ − 3 π₯π₯ < 5 − π₯π₯ <0 2π₯π₯ + 2 1 ∪ π₯π₯ > 3 2 π₯π₯ < −1 ∪ π₯π₯ > 5 2π₯π₯ − 1 >2 π₯π₯ − 3 π₯π₯ > 3 5π₯π₯ + 12 <1 7π₯π₯ − 1 π₯π₯ < 2π₯π₯ ≤0 π₯π₯ + 1 −1 < π₯π₯ ≤ 0 2 − 3π₯π₯ 2 < π₯π₯ + 2 3 π₯π₯ < −2 ∨ π₯π₯ > π₯π₯ − 2 <0 π₯π₯ − 16 2 11 2 < π₯π₯ < 16 2π₯π₯ − 1 ≤0 5 − π₯π₯ π₯π₯ ≤ 3π₯π₯ + 7 ≥0 4π₯π₯ − 1 3 − π₯π₯ ≥0 2 − 7π₯π₯ 1 13 ∨ π₯π₯ > 7 2 1 ∪ π₯π₯ > 5 2 π₯π₯ ≤ − π₯π₯ < © 2016 - www.matematika.it 7 1 ∪ π₯π₯ > 3 4 2 ∪ π₯π₯ ≥ 3 7 1 di 5 Disequazioni fratte di primo grado Algebra 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 v 3.0 π₯π₯ + 5 ≤0 π₯π₯ − 2 −5 ≤ π₯π₯ < 2 2 + π₯π₯ <0 π₯π₯ − 1 −2 < π₯π₯ < 1 π₯π₯ − 2 >2 2π₯π₯ − 1 0 < π₯π₯ < 1 − 3π₯π₯ <0 4π₯π₯ − 3 1 3 < π₯π₯ < 3 4 2 − π₯π₯ ≥0 4 + π₯π₯ −4 < π₯π₯ ≤ 2 22 − π₯π₯ −7≥0 1 − π₯π₯ 5 − ≤ π₯π₯ < 1 2 1 − π₯π₯ −1≥0 3π₯π₯ 0 < π₯π₯ ≤ 2π₯π₯ + 5 >4 3π₯π₯ − 1 −1 < π₯π₯ < 1 π₯π₯ − 12 ≤0 3π₯π₯ + 1 − 15 1 ≤− 7 π₯π₯ + 6 − 2 1 − ≥1 6π₯π₯ − 7 4 8≥ π₯π₯ < 3(4 + 5π₯π₯) 5 ≥− π₯π₯ 4 4 3 3 21 3 ∨ < π₯π₯ < 7 29 2 π₯π₯ ≤ − 1 − π₯π₯ π₯π₯ ≥ 9 3 3 1 + π₯π₯ − 6 5 97 ≤ π₯π₯ < −6 15 π₯π₯ < 0 ∨ π₯π₯ ≥ 4 3 < 7π₯π₯ − 3 3 − 2π₯π₯ −3 > 14 1 ≤ π₯π₯ < 5 3 7 43 < π₯π₯ ≤ 6 30 11 1 − π₯π₯ 4 −3 + 1 4 1 9 < π₯π₯ < 3 10 π₯π₯ − 1 1 − 3π₯π₯ −1< π₯π₯ + 1 1 + π₯π₯ 2− 1 2 48 ∨ π₯π₯ > 0 65 π₯π₯ ≤ − 13 2 81 < π₯π₯ < 6 16 © 2016 - www.matematika.it 2 di 5 Disequazioni fratte di primo grado Algebra 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 v 3.0 2− 5 <0 π₯π₯ − 10 10 < π₯π₯ < 25 2 2 4 < 3π₯π₯ − 3 3 − π₯π₯ π₯π₯ < 1 ∨ 13 15 ≤ π₯π₯ + 4 2π₯π₯ − 3 π₯π₯ < −4 ∨ 3 6 < 4 − π₯π₯ 4π₯π₯ − 3 3 11 < π₯π₯ < ∨ π₯π₯ > 4 4 6 7 12 < 3π₯π₯ − 1 5π₯π₯ + 6 6 1 − < π₯π₯ < ∨ π₯π₯ > 54 5 3 9 < π₯π₯ < 3 7 π₯π₯ − 2 6 > 3π₯π₯ − 5 19 π₯π₯ < 6 5 > 2π₯π₯ − 1 π₯π₯ − 2 π₯π₯ < − 6 5 < 2π₯π₯ + 1 2 − 3π₯π₯ 1 1 2 π₯π₯ < − ∨ < π₯π₯ < 2 4 3 8 7 ≥ 2π₯π₯ + 5 3π₯π₯ − 2 5 ∪ π₯π₯ > 8 3 3 < π₯π₯ ≤ 9 2 7 1 ∨ < π₯π₯ < 2 4 2 5 2 51 − < π₯π₯ < ∨ π₯π₯ ≥ 2 3 10 7π₯π₯ − 5 >4 8π₯π₯ + 3 − 17 3 < π₯π₯ < − 25 8 2π₯π₯ − 5 <0 4π₯π₯ + 1 1 5 − < π₯π₯ ≤ 4 2 π₯π₯ − 2 <0 π₯π₯ − 16 2 < π₯π₯ < 16 3π₯π₯ + 2 >0 4π₯π₯ + 6 π₯π₯ < − 2π₯π₯ ≤0 π₯π₯ + 1 −1 < π₯π₯ ≤ 0 3π₯π₯ + 6 >0 2π₯π₯ − 8 π₯π₯ < −2 ∨ π₯π₯ > 4 7π₯π₯ − 2 <0 8 − 4π₯π₯ π₯π₯ < © 2016 - www.matematika.it 3 2 ∨ π₯π₯ > − 2 3 7 ∨ π₯π₯ > 2 2 3 di 5 Disequazioni fratte di primo grado Algebra 51 52 53 54 56 57 58 59 60 61 62 63 64 65 66 67 v 3.0 7 <0 π₯π₯ − 5 π₯π₯ < 5 15 − 15 ≥ 0 7 + π₯π₯ −7 < π₯π₯ ≤ −6 16 >3 2π₯π₯ − 5 5 31 < π₯π₯ < 2 6 2π₯π₯ > −3 1 + π₯π₯ π₯π₯ < −1 ∨ π₯π₯ > − π₯π₯ − 4 3 1 − ≥ π₯π₯ 3 π₯π₯ − 4 3 7 < π₯π₯ ≤ 4 4 2π₯π₯ − 3 >2 π₯π₯ − 5 π₯π₯ > 5 1 − π₯π₯ ≥0 2π₯π₯ 0 < π₯π₯ ≤ 1 37 − 25π₯π₯ >0 4π₯π₯ − 5 5 37 < π₯π₯ < 4 25 2π₯π₯ + 1 <2 3π₯π₯ − 4 π₯π₯ < 3π₯π₯ − 6 ≥0 2π₯π₯ + 1 π₯π₯ < − 3π₯π₯ − 2 ≥1 5 − 3π₯π₯ 7 5 ≤ π₯π₯ < 6 3 1 ∨ π₯π₯ ≥ 2 2 4 9 ∨ π₯π₯ > 3 4 1 ≤0 π₯π₯ π₯π₯ < 0 6 5 − >0 π₯π₯ − 3 2 3 < π₯π₯ < 2π₯π₯ − 5 ≤0 4π₯π₯ + 1 5− 1 5 − < π₯π₯ ≤ 4 2 1 + 2π₯π₯ ≥0 2π₯π₯ − 1 π₯π₯ − 5 ≤0 π₯π₯ + 3 3 5 π₯π₯ < 27 5 1 3 ∨ π₯π₯ ≥ 2 4 −3 < π₯π₯ ≤ 5 © 2016 - www.matematika.it 4 di 5 Disequazioni fratte di primo grado Algebra 68 69 70 71 72 73 74 75 76 77 78 79 80 v 3.0 1 1 >− 2π₯π₯ − 1 3 π₯π₯ < −1 ∨ π₯π₯ > 3 5 <− 8 2π₯π₯ − 4 − 1 2 2 10 − >0 3 3 − π₯π₯ π₯π₯ < −12 ∨ π₯π₯ > 3 2 3 >− 4π₯π₯ + 1 2 π₯π₯ < − 1 − π₯π₯ −1≥0 3π₯π₯ 14 < π₯π₯ < 2 3 7 1 ∨ π₯π₯ > − 12 4 0 < π₯π₯ ≤ 4 + 10π₯π₯ <0 4 − 3π₯π₯ π₯π₯ < − 1 4 2 4 ∨ π₯π₯ > 5 3 2 − π₯π₯ ≥0 π₯π₯ + 4 −4 < π₯π₯ ≤ 2 3π₯π₯ − 15 >0 2π₯π₯ + 4 π₯π₯ < −2 ∨ π₯π₯ > 5 5< − 1 + 2π₯π₯ 2π₯π₯ − 1 1 3 < π₯π₯ < 2 4 5 4 > 3 3 − π₯π₯ 2 3 39 < π₯π₯ < 2 10 3 4 ≥1 ππ − 5 3 5 < π₯π₯ ≤ 5 3π₯π₯ − 2 < 0 7 π₯π₯ − 2 29 4 2 < π₯π₯ < 2 3 (π₯π₯ − 3)(2π₯π₯ − 5) ≤0 (4 − 3π₯π₯)(3π₯π₯ − 8) 5 8 4 ≤ π₯π₯ < ∨ π₯π₯ < ∨ π₯π₯ ≥ 3 2 3 3 © 2016 - www.matematika.it 5 di 5