Question

What is the value of 3x2 - 5xy + 5y2 for x = -6 and y = 2?
-68
-4
188
208

Answer 1

=−5xy+5y2+6

Answer 2

you just have to subtitude the value of x which is -6 in x and 2 in y

Answer 3

plug in -6 for x and 2 in y

Answer 4

3(-6)^2 - 5(-6)(2) + 5(2)^2=

Answer 5

yep

Answer 6

now just multiply and add and all that fun stuff :)

Answer 7

3(36) - 5(-12) + 5(4)=

Answer 8

yep

Answer 9

108--60 + 20
don't forget that -*-=+ or -- equals +

Answer 10

108 + 60 +20

Answer 11

188

Answer 12

hope it helps

Answer 13

yes. it did help alot :)