Question

If x squared + y squared=36 and (x+2) quantity

squared=64, what is the value of xy?

Answer 1

ahhh

Answer 2

can u find x from \((x+2)^2=64\) ??

Answer 3

14

Answer 4

is the answer

Answer 5

for question 1.

Answer 6

cause

Answer 7

x squared plus y squared=36

Answer 8

2xy has to equal 28

Answer 9

so half of 28, which is half of 2xy,=14

Answer 10

so the answer is B.

Answer 11

how 2xy = 28 ?
u had x^2+y^2 ?

Answer 12

Correct?

Answer 13

x squared plus y squared=36

Answer 14

(x+y) quantity squared=64

Answer 15

it includes the number 2xy

Answer 16

which has to equal 28

Answer 17

half ot 2xy=14

Answer 18

xy=14

Answer 19

is 0 in the option ?

Answer 20

36+28=64

Answer 21

nope

Answer 22

the answer booklet says B.

Answer 23

x times y =14

Answer 24

do you understand where I am getting at?

Answer 25

hmm....maybe question is incorrect....

Answer 26

nope...

Answer 27

look it

Answer 28

x squared plus 2xy plus y squared=64

Answer 29

x squared plus y squared=36

Answer 30

36+2xy=64

Answer 31

2xy=28

Answer 32

xy=14

Answer 33

the value of xy=14

Answer 34

therefore, the answer is B.

Answer 35

do you understand where I am getting at?

Answer 36

Where are you getting 2xy? You only get 2xy if the question is:
(x + y)^2, not x^2 + y^2 (like your question says).

Answer 37

look it

Answer 38

the does say (x+y) quantity squared=64

Answer 39

the ? does

Answer 40

x squared+y squared=36

Answer 41

(x+y) quantity squared=64

Answer 42

do you see now?

Answer 43

u wrote x+2 ....

Answer 44

sorry

Answer 45

it meant to write (x+y) quantity squared

Answer 46

so

Answer 47

as I was saying

Answer 48

36+2xy=64

Answer 49

2xy+28

Answer 50

xy=14

Answer 51

then u are correct....

Answer 52

xy=14

Answer 53

ty

Answer 54

next problem :)