Question

solve the stem of equations
25x^2 + 9y^2 = 225
25x^2 - 9y^2 = 225

Answer 1

subtract them , what u get ?

Answer 2

18y^2 =450

Answer 3

450??? Really??

Answer 4

actually, subtracting right side, u get 225-225 = ??

Answer 5

ooo o ya lol soo 18y^2=0
y^2=18
y= 3radical 2

Answer 6

WHAT??

Answer 7

NO!

Answer 8

18y^2 = 0
dividing 18 on both sides.
whats 0/18 = ??

Answer 9

oops ugh im sorry idk ive been studying too long.. its 0

Answer 10

yes, so since y^2 = 0
y will also be = ... ?

Answer 11

0

Answer 12

YEAH!!!

Answer 13

now put y=0 in any equation and find x ...

Answer 14

+or - 3

Answer 15

APPLAUSE!!!!

Answer 16

lol

Answer 17

good work :)
you are \(\huge \color{red}{\checkmark}\)

Answer 18

thank you

Answer 19

And a standing ovation for @hartnn

Answer 20

LOL, THANK YOU SO MUCH SIR :)

Answer 21

LOL