Which graph correctly solves the system of equations below? x2 + y2 = 25 y = x + 1

We have
x2 + y2 = 25
y = x + 1

using a graph tool
see the attached figure

the solution  are the points (3,4) and (-4,-3)

The first thing you should realize is what kind of functions you have:
 x2 + y2 = 25 
 It is a circle of radius r = 5 units.
 y = x + 1
 It is a line of positive slope.
 The solution is the cut points of both graphs.
 Attached graphic and analytical solution.

That she received $100

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