Question

Which of the following shows the factors of 2y^2 - 2y - 4?

please explain how to do thisi dont understand it i would appreciate the answer too if you could

Answer 1

factor out a 2 first.

Answer 2

what's left?

Answer 3

do you think i would
factor out 2y

Answer 4

no. a '2'. factor out a '2'.

Answer 5

im so confusedi dont know how i can do this please help

Answer 6

Yeah, it's pretty mind-numbingly confusing.
'2' is a factor in every term. factor it out of every term.

Answer 7

\[y ^{1}- y-2\]

Answer 8

???

Answer 9

2(y^2 - y - 2)

Answer 10

then what

Answer 11

y^2 - y - 2 can be factored further

Answer 12

what two numbers multiply to give -2 and add to give -1?

Answer 13

-1+1

Answer 14

I'll give you a hint: one of these mystery numbers is -2. what's the other one?

Answer 15

1

Answer 16

2(y+1)(y-2)

Answer 17

:/ this is mind boggling

Answer 18

yeah, utterly mind-blowing.

Answer 19

A. (2y - 4)(y - 1)B. (2y - 4)(y + 1)C. (2y - 2)(y - 2)D. (2y - 2)(y + 2) there are the possible answers.

Answer 20

B. although your teacher doesn't know what factor means.

Answer 21

thank you