Solve the system of linear equations by the method of elimination, find (x,y). $\left\{ \begin{array} { c }
\frac { 9 } { 4 } x + \frac { 1 } { 4 } y = \frac { - 7 } { 4 } \
9 x + y = - 7
\end{array} \right.$
A) (4, -43)
B)(a, -7 - 9a) (infinitely many solutions)
C) (2, -25)
D) No solutions
E) (8, -79)

Question

Solve the system of linear equations by the method of elimination, find (x,y).   $\left\{ \begin{array} { c } 
\frac { 9 } { 4 } x + \frac { 1 } { 4 } y = \frac { - 7 } { 4 } \
9 x + y = - 7
\end{array} \right.$  
A) (4, -43)
B)(a, -7 - 9a)  (infinitely many solutions)
C) (2, -25)
D) No solutions
E) (8, -79)

Quizplus · Accepted Answer

The second equation is a multiple of the first, indicating the system has infinitely many solutions of the form (a, -7 - 9a).

Solve the System of Linear Equations by the Method of Elimination