1957 AMC 12 Question 34
AMC12 · 1957 AMC 12
The points that satisfy the system $x+y=1,$ $x^2+y^2<25,$ where the symbol “$<$” means “less than,” constitute the following set:
only two points
an arc of a circle
a straight line segment not including the
end-points
a straight line segment including the end-points
a single point