Question

how would you evaluate 3a^2-2ab+c if a=-1 b=0 and c=11 please show work.

Answer 1

Just substitute a, b, and c in.

3(-1)^2 -2(-1)(0) + 11

Answer 2

what from there though??

Answer 3

Then use a calculator.

Answer 4

i have to show work though...

Answer 5

(-1)^2=?

Answer 6

= 3 + 0 + 11
= 14

(-1)^2?? >_<

Answer 7

(-1)^2=1
3(1)=3
-2(-1)(0)=0
so we have exactly what mimi has above

Answer 8

lols, i thought i was wrong xD

Answer 9

no
i was trying to get c108 to answer some questions

Answer 10

well the answer is supposed to be 14 but i dont get how.

Answer 11

You don't get it >_<

Just use a calculator then you will see. Infact, you can do it yourself, its easy just adding.

Answer 12

yeah, i dont get it. because you aren't explaining it...

Answer 13

Explanation isn't required.

But I did explain to you, scroll up and see.

Where are you stuck ? I dont get it.

Answer 14

i get it thanks.