Question

What number must you add to the polynomial below to complete the square? help!


x2 + 17x

Answer 1

17/2 = 8.5 now square it 8.5^2 = 72.25

Answer 2

5220.06

Answer 3

0625

Answer 4

but it says a number

Answer 5

the number you add to the polynomial is 72.25

Answer 6

x^2+17x+72.25 = (x+8.5)^2

Answer 7

so is 72.25

Answer 8

right

Answer 9

What number must you add to the polynomial below to complete the square?

x2 - 10x

Answer 10

this is 25 right

Answer 11

right take 10, divide by 2 then square

Answer 12

is 25= 5

Answer 13

so is 25 right

Answer 14

or 5

Answer 15

yes

Answer 16

25

Answer 17

10/2 = 5, 5^2 = 25

Answer 18

oh god thanks i got this thanks for the help!

Answer 19

What number must you add to the polynomial below to complete the square?

x2 - 28x whbu this one

Answer 20

x^2-28

Answer 21

you cant divide

Answer 22

-28/2 = -14, -14^2 = 196

Answer 23

196

Answer 24

right

Answer 25

even though the x^2 is square u could still divide it right

Answer 26

What number must you add to the polynomial below to complete the square?

x2 - 19x

Answer 27

do you mean...if the number is negative can you still divide it?

yes ,

Answer 28

-19/2 =

Answer 29

-9.5

Answer 30

now what is 9.5^2

Answer 31

90.25

Answer 32

right, the negative sign does not matter...because when you square something, the answer is always positive

Answer 33

What number must you add to the polynomial below to complete the square?

x2 + 7x

Answer 34

7/2 =

Answer 35

3.5

Answer 36

now square it

Answer 37

12.25

Answer 38

right

Answer 39

What number must you add to the polynomial below to complete the square? this one 121

x2 - 22x

Answer 40

perfect

Answer 41

i got it thanks

Answer 42

yw

Answer 43

^_^

Answer 44

i got a 92

Answer 45

on the quiz

Answer 46

nice!