Graph the Equations to Determine Whether the System Has Any $$\left\{ \begin{array} { r } 3 x - y = 21 \\x ^ { 2 } - y ^ { 2 } = 49\end{array} \right.$$

question 1

Multiple Choice

Graph the equations to determine whether the system has any solutions. Find any solutions that exist. $$\left\{ \begin{array} { r } 3 x - y = 21 \\x ^ { 2 } - y ^ { 2 } = 49\end{array} \right.$$

• A) \(( - 7,0 ) \left( \frac { 28 } { 5 } , \frac { 21 } { 5 } \right)\)
• B) \(( 7,0 ) \left( \frac { 35 } { 4 } , \frac { 21 } { 4 } \right)\)
• C) \(( 0 , - 7 ) ( 28,7 )\)
• D) \(( 0,7 ) ( - 7,42 )\)
• E)no solution exists

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