The Solution Set of the System $y _ { 1 } = 2 x + 3$

question 125

Multiple Choice

The solution set of the system $y _ { 1 } = 2 x + 3$ and $y _ { 2 } = - x + 9$ is $\{ ( 2,7 ) \}$ . Using slopes and $y$ -intercepts, determine which of the two calculator-generated screens, left or right, is the appropriate one for this system.

• A) Left
• B) Right
• C) Neither is correct.
• D) Both could be correct.

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