Sicilia

Proporzionalità e proporzionalità inversa
<p>(a) \(§§V0(-5,5,1)§§x^2 + §§V1(5,15,5)§§x + 9 = §§V2(-5,5,1)§§x^2 + §§V3(-10,10,1)§§x + §§V4(9,90,9)§§\)</p> <p>(b) \(9x^2 - 12x + 4 = §§V2(-5,5,1)§§x^2 - §§V3(-10,10,1)§§x + 4\)</p> <p>(c) \(4x^2 - 20x + 25 = §§V4(-5,5,1)§§x^2 - §§V5(-10,10,1)§§x + 25\)</p> <p>(d) \(25x^2 - 40x + 16 = §§V6(-5,5,1)§§x^2 - §§V7(-10,10,1)§§x + 16\)</p> <p>(a) Zaokružite broj §§V0(1.2,5.8,0.1)§§ na najbližu desetinku. </p> <p>(b) Koji je rezultat kvadriranja broja §§V1(3,9,1)§§? </p> <p>(c) Koliki je zbir brojeva §§V2(10,20,2)§§ i §§V3(5,15,1)§§?</p> <p>(d) Oduzmite §§V4(100,500,50)§§ od §§V5(500,1000,100)§§.</p> <p>(e) Kolika je razlika između brojeva §§V6(-10,10,1)§§ i §§V7(1,20,2)§§?</p> <p>(a) Riješite sistem: \(§§V0(1,5,1)§§x + 2y = §§V1(3,9,1)§§\), \(3x + 2y = §§V2(1,7,1)§§\)</p> <p>(b) Riješite sistem: \(-§§V3(1,5,1)§§x + y = -§§V4(4,12,2)§§\), \(-2x + 3y = -§§V5(7,21,2)§§\)</p> <p>(c) Riješite sistem: \(§§V6(1,4,1)§§x + 2y = §§V7(6,12,2)§§\), \(-3x + 5y = §§V8(14,28,2)§§\)</p>
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