A

B

C

D

a line

a hyperbola

a parabola

a cubic

 $a=4,\ b=-8,\ c=3$  

 $a=4,\ b=-8,\ c=-3$  

 $a=4,\ b=8,\ c=3$  

 $a=4,\ b=8,\ c=-3$  

Minimum value, because the a value is positive

Maximum value, because the b value is positive

Maximum value, because the a value is positive

Minimum value, because the c value is negative

 $y=-2(x-3)^2+5$  

 $y=-2(x+3)^2+5$  

 $y=-2(x+3)^2-5$  

 $y=-2(x-3)^2-5$  

$y=3(x+1)^2-8$

$y=3(x-1)^2-8$

$y=3(x+2)^2-8$

$y=3(x-2)^2-8$

Two real and different roots

Two real and equal roots

No real roots

Two real and different roots

Two real and equal roots

No real roots

 $1,\ 5$  

 $-1,\ 5$  

 $1,-5$  

 $-1,-5$  

 $a=−1,\ h=−2,\ k=16$  

 $a=−1,\ h=−2,\ k=−16$  

 $a=1,\ h=2,\ k=16$  

 $a=−1,\ h=2,\ k=16$