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Halp

0

685

1

+335

Find all pairs

$(x,y)$ of real numbers such that

$x + y = 10$ and

$x^2 + y^2 = 56$ .

Rayjplayz Aug 3, 2020

1⁺⁰ Answers

+1094

+5

Using the first equation, we see that x=10-y.

Plug that in for x in the second equation, and solve!

:)

More on system of equations: https://www.khanacademy.org/math/algebra/x2f8bb11595b61c86:systems-of-equations

ilorty Aug 3, 2020

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