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Matematica C3 – Algebra 1 - itis magistri cumacini

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www.matematicamente.it - <strong>Matematica</strong> C 3 – <strong>Algebra</strong> 1 – 6. <strong>Algebra</strong> di 1° gradoTrovare l'Insieme Soluzione delle seguenti disequazioni262 x23−x≤0 x≤−2∨x≥3263 x x−20 x0∨x2264 3x22−3x0 x− 2 3 ∨x 2 3265 −3x2−x3−x≥0 x≥0∨2≤x≤3266 x11−x 1 2 x−2 ≥0 x≤4267 x−1 x−2 x−3 x−40 1x2∨3x4268 x 2 −16≤0 −4≤x≤4269 4x 2 −2x0 0x 1 2270 x 4 −81≥0 x≤−3∨x≥3271 x 2 17 x16≤0 −16≤ x≤−1272 16− x 4 ≤0 x≤−2∨x≥2273 x 2 2x10 ∅274 x 2 6x9≥0 R275 x 2 −5x60 2x3276 x 2 3x−4≤0 −4≤x≤1277 x 3 x 2 x1278 x 2 2x 2 −x−2x 2 −x0 −1x0∨ 1 2 x1279 x 2 −2x1x x 2 −2x10 x−1280 x 3 −2x 2 −x2≥0 −1≤x≤1∨x≥2281 x 4 4x 3 3x 2 0 x−3∨x−1∧x≠0282 6x 2 −24x x 2 −6x90 0x4∧x≠3283 x 3 −8 x22−x x 3 8 −2 x2284 2 a1a 4 −2 a 2 10 a− 1 2 ∧ a≠−1285 x 3 −6 x 2 111−3 x −1 x2∨ x5286 x 6 − x 2 x 5 −6 x 4 − x60 −3 x−1∨1 x2287 Determinare i valori che attribuiti alla variabile y rendono positivi entrambi i polinomi seguentip 1= y 4 −13 y 2 36 ; p 2= y 3 − y 2 − 4 y4 −2 y1∨ y3288 Determinare i valori di a che rendono p=a 2 1 minore di 5. −2a2Determina { I.S. dei seguenti sistemi di disequazioni:289x2 −9≥0x 2 3≤x5−7x100290{ 49 a2 −1≥09 a 2 11−a0291{ 16x4 −1016x 3 8x 2 ≥0292{2 x 2 −13 x602 x 2 −5 x−31−3 x0x 2 71{ x2 3 x−12≥012 x 2 12 x30x≤−6∨ x≥3− 1 3 a≤−1 7 ∨ 1 7 ≤a 1 3− 1 2 x1 2−6 x− 1 2322

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