titik optimum (-2,-3)

y=x²+4x+1

sumbu simetri x=2

melalui titik (1,4),(0,1) dan (-3,-2)

nilai a>0

sumbu simetri x=-1

titik optimum (-5,-1)

y=x²+2x-4

melalui titik (-1,1-),(0,4) dan (1,5)

a>0

y= -2x²+3x+4

y= 2x²+3x+4

y=-2x²+3

y=2x²+3

y=-2x²-3

y=2x^2-3

 $f\left(x\right)=-\frac{1}{3}\left(x+3\right)\left(x-2\right)$  

 $f\left(x\right)=-\frac{1}{3}\left(x^2+x-6\right)$  

 $f\left(x\right)=-\frac{1}{3}x^2-\frac{1}{3}x+2$  

 $f\left(x\right)=\frac{1}{3}\left(x^2+x-6\right)$  

y=3x²-4x-4

y=3x²+4x-4

y=3x²-4x+4

y=3x²+4x+4