SOLUTION: Find the points of intersection of the graphs of the equations. [separate your answers with a semicolon]: x2 + 4y2 = 100 x + 2y = 10

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Question 193277This question is from textbook
: Find the points of intersection of the graphs of the equations. [separate your answers with a semicolon]:
x2 + 4y2 = 100
x + 2y = 10 This question is from textbook

Answer by RAY100(1637) About Me  (Show Source):
You can put this solution on YOUR website!
solving
1) x+4y=100
2)x+2y=10
subst (1)-(2)
2y=90
y=45
subst in (2)
x+2(45)=10
x+90=10
x=-80
check
(1) (-80)+4(45)=-80+180=100,,,ok
(2) (-80)+2(45)=-80+90=10,,,ok