Question

y² + 2y + 5 for y = –5 ?

Answer 1

Replace all copies of 'y' with '-5'


y^2 + 2y + 5


(-5)^2 + 2(-5) + 5


Now evaluate

Answer 2

I'm not sure why but this is confusing me so I would do -5*2 +2*-5+5
? D:

Answer 3

yeah

Answer 4

-5^2 not -5*2 on the first one

Answer 5

(-5)^2 + 2(-5) + 5

turns into

25 - 10 + 5