Question

Marvin was completing the square, and his work is shown below. Identify the line where he made his mistake.

f(x) = 2x2 − 8x + 5
Line 1: f(x) = 2(x2 − 8x) + 5
Line 2: f(x) = 2(x2 − 8x + 16) + 5 − 32
Line 3: f(x) = 2(x − 4)2 − 27

Answer 1

PLEASE HELP!!!

Answer 2

2

Answer 3

line 2

Answer 4

how do you know that

Answer 5

pls medal me

Answer 6

tell me how you got it first

Answer 7

2x2-8x+5
=2(x2-4x)+5
But in line 1 it is 2(x2-8x)+5
So line1 is wrong.

Answer 8

because a bunch of random numbers came in

Answer 9

line 1 or line 2

Answer 10

line 2

Answer 11

u said line 2 first

Answer 12

ok

Answer 13

psl medal me

Answer 14

@Pawanyadav

Answer 15

i gave u a medal

Answer 16

I think you got it

Answer 17

booya

Answer 18

thank you for helping

Answer 19

i vant ze medalion

Answer 20

2 bad

Answer 21

i gave it 2 @Pawanyadav

Answer 22

Never trust direct answers.

Answer 23

i know

Answer 24

can i have it because all he did was agree with my answer

Answer 25

no

Answer 26

he gave me the work

Answer 27

and you didnt

Answer 28

all you did is say 2