6 Determine the Most Efficient Method to Use When Solving a Quadratic Equation
-$y _ { 1 } = ( x + 3 ) , y _ { 2 } = ( x - 6 )$, and $y _ { 1 } y _ { 2 } = 4$
A) $\frac { 3 \pm \sqrt { 97 } } { 2 }$
B) $\frac { - 3 \pm \sqrt { 97 } } { 2 }$
C) $\frac { 3 \pm \mathrm { i } \sqrt { 97 } } { 2 }$
D) $\frac { - 3 \pm \mathrm { i } \sqrt { 97 } } { 2 }$

Question

Quizplus · Accepted Answer

The correct answer is A because the discriminant is positive, indicating that the roots are real and distinct.

6 Determine the Most Efficient Method to Use When Solving y1=(x+3),y2=(x−6)y _ { 1 } = ( x + 3 ) , y _ { 2 } = ( x - 6 )y1​=(x+3),y2​=(x−6)

6 Determine the Most Efficient Method to Use When Solving $y _ { 1 } = ( x + 3 ) , y _ { 2 } = ( x - 6 )$