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I don't understand how to get the answer for number 4. any help would be appreciated! :)

I don't understand how to get the answer for number 4. any help would be appreciated-example-1
User Datenwolf
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1 Answer

4 votes
A) x^2 + y^2 = 37
B) x * y = 24
B) x = 24/y then substituting this into A)

A) (24/y)^2 + y^2 = 37
Multiplying both sides by y^2
A) 24 + y^4 = 37y^2
A) y^4 - 37y^2 +24 = 0
y = 6.028230484554424
x * y = 24
x = 24 / 6.028230484554424
x = 3.9812678134
There is x and y but I'm not too sure of it.








User WirthLuce
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