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?
-$\left\{ \begin{array} { r }
x = - y \
y + x = - 5
\end{array} \right.$
A) lines intersecting at a single point; one solution
B) parallel lines; no solution
C) identical lines; infinite number of solutions

Question

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?
-$\left\{ \begin{array} { r } 
x = - y \
y + x = - 5
\end{array} \right.$
A) lines intersecting at a single point; one solution
B) parallel lines; no solution
C) identical lines; infinite number of solutions

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?
-$\left\{ \begin{array} { r } 
x = - y \
y + x = - 5
\end{array} \right.$
A) lines intersecting at a single point; one solution
B) parallel lines; no solution
C) identical lines; infinite number of solutions

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

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