Question

Which of the following represents this function written in standard form?
y=2(x+1)(x-6)

A. y=2x^2-14x+12
B. y=2x^2-10x-12
C. y=2x^2-10x+6
D. y=2x^2-5x-12

Answer 1

Any ideas?

Answer 2

would i multiply 2 and (x+1) first?

Answer 3

You could, but I found it easier to use FOIL right away and then multiply through by 2.

Answer 4

okay hold on, i'll do that right now :)

Answer 5

x^2-6?

Answer 6

so 2x^2-12?

Answer 7

What happened to the middle terms?

Answer 8

uhhh i dont know ._. one sec!

Answer 9

okay i got 2x^2-5x-12?

Answer 10

Corrrect

Answer 11

yaaay! thank you :)

Answer 12

aww it says that it was 2x^2-10x-12 :(

Answer 13

Wait you forgot yo multiply 2 times the middle term

Answer 14

daaang -_-

Answer 15

Most of the "work" when using FOIL is to remember the "OI" middle terms.

Answer 16

haha thank you :)

Answer 17

Thanks for trying to understand :)

Answer 18

thank you for taking the time to explain it! :)