Determine if each ordered pair is a solution to the given system of inequalities in two variables.
-$$\begin{array} { l }
x y = 1 \
- 7 x - y = - 8
\end{array}$$
(i) $\left( \frac { 1 } { 7 } , 7 \right)$;(ii) $( 1,1 )$
A) (i) Yes; (ii) No
B) (i) $\mathrm { No }$; (ii) Yes
C) (i) $\mathrm { No }$; (ii) $\mathrm { No }$
D) (i) Yes; (ii) Yes

Question

Determine if each ordered pair is a solution to the given system of inequalities in two variables.
-$$\begin{array} { l } 
x y = 1 \
- 7 x - y = - 8
\end{array}$$
(i) $\left( \frac { 1 } { 7 } , 7 \right)$;(ii) $( 1,1 )$
A) (i) Yes; (ii) No
B) (i) $\mathrm { No }$; (ii) Yes
C) (i) $\mathrm { No }$; (ii) $\mathrm { No }$
D) (i) Yes; (ii) Yes

Quizplus · Accepted Answer

Both pairs satisfy the equations: (i) $\frac{1}{7} \times 7 = 1$ and $-7 \times \frac{1}{7} - 7 = -8$; (ii) $1 \times 1 = 1$ and $-7 \times 1 - 1 = -8$.

Determine If Each Ordered Pair Is a Solution to the Given