Question

y=2x+3
y^2 +x^2 =40,000

what are the steps to solve this?

Answer 1

find value of y from y=2x+3 and put it in 2nd eq.

then solve it for x

after finding x , put value of x in eq 1 to find y..

Answer 2

But would I use the quadratic?

Answer 3

yes...you can use quadratic formula to find x

Answer 4

is there a simpiler way?

Answer 5

take sqaure of eq 1 then subtract them...but still you will get a term like -4xy..which will make it more tough..