Parabolko

Kvadratne funkcije
<h1>Normalna parabola - Zadaci</h1> <p class="izraz">1. Nacrtaj graf funkcije.</p> <p>a) \(y = x^2 + §§V0(-10,10,1)§§x + §§V1(-10,10,1)§§\)</p> <p>b) \(y = x^2 + §§V2(-10,10,1)§§x + §§V3(-10,10,1)§§\)</p> <p>c) \(y = x^2 + §§V4(-10,10,1)§§x + §§V5(-10,10,1)§§\)</p> <p>d) \(y = x^2 + §§V6(-10,10,1)§§x + §§V7(-10,10,1)§§\)</p> <p>e) \(y = x^2 + §§V8(-10,10,1)§§x + §§V9(-10,10,1)§§\)</p> <p class="izraz">2. Odredi vrh parabole.</p> <p>a) \(y = x^2 + §§V10(-10,10,1)§§x + §§V11(-10,10,1)§§\)</p> <p>b) \(y = x^2 + §§V12(-10,10,1)§§x + §§V13(-10,10,1)§§\)</p> <p>c) \(y = x^2 + §§V14(-10,10,1)§§x + §§V15(-10,10,1)§§\)</p> <p>d) \(y = x^2 + §§V16(-10,10,1)§§x + §§V17(-10,10,1)§§\)</p> <p>e) \(y = x^2 + §§V18(-10,10,1)§§x + §§V19(-10,10,1)§§\)</p> <h1>Teški matematički zadaci</h1> <p class="izraz">1. Riješi kvadratnu jednadžbu.</p> <p>a) \(§§V0(1,10,1)§§x^2 + §§V1(-20,20,1)§§x + §§V2(-30,30,1)§§ = 0\)</p> <p class="izraz">2. Nađi minimum funkcije.</p> <p>a) \(f(x) = x^4 + §§V3(-10,10,1)§§x^3 + §§V4(-20,20,1)§§x^2 + §§V5(-30,30,1)§§x + §§V6(-40,40,1)§§\)</p> <p class="izraz">3. Riješi sistem jednadžbi.</p> <p>a) \(\begin{cases} §§V7(1,5,1)§§x + §§V8(1,5,1)§§y = §§V9(1,20,1)§§ \\ §§V10(1,5,1)§§x + §§V11(1,5,1)§§y = §§V12(1,20,1)§§ \end{cases}\)</p> <p class="izraz">4. Nađi sve moguće vrijednosti parametra za koje funkcija ima minimum na intervalu.</p> <p>a) \(f(x) = §§V13(1,10,1)§§x^3 + §§V14(-10,10,1)§§x^2 + §§V15(-20,20,1)§§x + §§V16(-30,30,1)§§\)</p> <p class="izraz">5. Dokazati identitet ili jednakost.</p> <p>a) Dokazati da \((§§V17(1,5,1)§§x + §§V18(1,5,1)§§)^2 = §§V19(1,25,1)§§x^2 + §§V20(1,25,1)§§x + §§V21(1,25,1)§§\) je uvijek točno za određene vrijednosti x.</p>
An error has occurred. This application may no longer respond until reloaded. Reload 🗙