SOLUTION: What are the solution set to this problem please.
Addition Method
{{{x^2+y^2=49}}}
{{{y^2-2x=49}}}
Thank you!!!
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Question 430826: What are the solution set to this problem please.
Addition Method
Thank you!!!
Found 2 solutions by mananth, sudhanshu_kmr:
Answer by mananth(16946) (Show Source): You can put this solution on YOUR website!
multiply the second equation by -1
we get
-y^2+2x=-49
add this t the first equation
x^2+2x=0
x(x+2)=0
x=0 OR x=-2
Plug the value of x in first equation
For x=0 y^2=49
so y= +-7
(0,+/-7)
.....
For x=-2
y^2=49-4
y^2=45
y=+/-sqrt(45)
(-2,+/-sqrt(45))
Answer by sudhanshu_kmr(1152) (Show Source): You can put this solution on YOUR website!
already solved.
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