Which of the following quadratic equations has a sum of the roots equal to
-2? *
A. 9 - 6x + x2
O B. x² + 2x + 2 = 0
O C. x2 + 4x - 21=0
D. 4x² + 12x + 10
-2? *
A. 9 - 6x + x2
O B. x² + 2x + 2 = 0
O C. x2 + 4x - 21=0
D. 4x² + 12x + 10
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Answer:
B
Step-by-step explanation:
Square 2
Add 4 to 8
Take thr square root of -4
Now Solve the Equation
Roots:
Sum of roots: