Przedstaw funkcję kwadratową w postaci ogólnej. a) y = -2(x-3)²+6 b) y= - 1/2 (x+ 1/2)² + 1/2 c) y= 3(x-5)² + 9 1/2 to ułamek jedna druga

a) y=-2[latex] (x-3)^{2} [/latex]+6 y=-2([latex] x^{2} [/latex]-6x+9)+6 y=-2[latex] x^{2}[/latex]+12x-18+6 y=-2[latex] x^{2}[/latex]+12x-12 b) y=-[latex] frac{1}{2} [/latex][latex] (x+ frac{1}{2} )^{2} [/latex]+[latex] frac{1}{2} [/latex] y=-[latex] frac{1}{2} [/latex]([latex] x^{2} [/latex]+x+[latex] frac{1}{4} [/latex])+[latex] frac{1}{2} [/latex] y=-[latex] frac{1}{2} [/latex][latex] x^{2} [/latex]-[latex] frac{1}{2} [/latex]x-[latex] frac{1}{8} [/latex]+[latex] frac{1}{2} [/latex] y=-[latex] frac{1}{2} [/latex][latex] x^{2} [/latex]-[latex] frac{1}{2} [/latex]x-[latex] frac{1}{8} [/latex]+[latex] frac{4}{8} [/latex] y=-[latex] frac{1}{2} [/latex][latex] x^{2} [/latex]-[latex] frac{1}{2} [/latex]x+[latex] frac{3}{8} [/latex] c) y=3[latex] (x-5)^{2} [/latex]+9 y=3([latex] x^{2} [/latex]-10x+25)+9 y=3[latex] x^{2} [/latex]-30x+75+9 y=3[latex] x^{2} [/latex]-30x+84