Question

I have a homework, i need an answer without explanation

Answer 1

Given:

`\begin{gathered} (x+y)^2=1 \\ x^2+y^2=1 \\ x+y\leq0 \end{gathered}`

The graph of the functions is given below;

From the graph, the points that satisfy the conditions are;

`(0,-1)\text{ and }(-1,0)`

Therefore, the final answer is Two.

OPTION B.