addition
10+30
40
102
100
10/4
2.5
y=x2+8x=15
x=-4
vertex= (-4,-1)
679+12
691
144
18/3
6
y=3x2-12x+5
x=2
vertex= (2,-7)
356+34
390
112
121
30/4
7.5
y=x2-3
x=0
vertex= (0,-3)
800+2
802
182
324
56/2
28
y=-3x2-24x-42
x=-4
vertex= (-4,6)
900+56
956
1002
10000
100/10
10
y=-2x2+8
x=0
vertex= (0,8)