Question

@Gegomohamed

Answer 1

Find a quadratic model for the set of values

Answer 2

look you have to understand it because you ask me many question the same way I'll explain it then try to do it by yourself :D okay ?? ^_^

Answer 3

yes ok :)

Answer 4

@Gegomohamed

Answer 5

explain now ??

Answer 6

look You should compensation from the first equation in all the values ​​of x then equal it by the value of y

Answer 7

just like that \[4(-2)^{2}+4(-2)+2\] calculate it...it will be 10
so first choice is wrong

Answer 8

try the next one and so on

Answer 9

when you find equation *when you compensation from the value of x*= y so it will be the right one

Answer 10

get it ??

Answer 11

it will be D

Answer 12

try it