Without graphing, decide:
(a)Are the graphs of the equations are identical lines, parallel lines, or lines intersecting at a single point?
(b)How many solutions does the system have?
-$\left\{ \begin{aligned}
x & = - y \
y + x & = 5
\end{aligned} \right.$
A)parallel lines; no solution
B)identical lines; infinite number of solutions
C)lines intersecting at a single point; one solution

Question

Quizplus · Accepted Answer

The Answer of Without graphing, decide:
(a)Are the graphs of the equations are identical lines, parallel lines, or lines intersecting at a single point?
(b)How many solutions does the system have?
-$\left\{ \begin{aligned}
x & = - y \
y + x & = 5
\end{aligned} \right.$
A)parallel lines; no solution
B)identical lines; infinite number of solutions
C)lines intersecting at a single point; one solution

Without Graphing, Decide: (A)Are the Graphs of the Equations Are {x=−yy+x=5\left\{ \begin{aligned}x & = - y \\y + x & = 5\end{aligned} \right.{xy+x​=−y=5​

Without Graphing, Decide:
(A)Are the Graphs of the Equations Are $\left\{ \begin{aligned}x & = - y \\y + x & = 5\end{aligned} \right.$