I need help with Pre-Calculus Hw
Can you guys help me find all the solutions to this system?
x^2 + y^2 = 15
xy = 5
My teacher gave me a hint:
Multiply the 2nd equation by 2 and add the systems together.
April 30, 2012
I need help with Pre-Calculus Hw
Can you guys help me find all the solutions to this system?
x^2 + y^2 = 15
xy = 5
My teacher gave me a hint:
Multiply the 2nd equation by 2 and add the systems together.
1 Comment • Newest first
x^2 + 2xy + y^2 = 25
I think you can do the rest yourself...