6. Which of the following is the sum of the roots of x2 + 2x - 5 = 0? A. 2
C. -2
B.5
D. -5
7. Which of the following is the product of the roots of x2 + 2x - 5 = 0?
A. 2
C. -2
B. 5
D. -5
8. Which of the following is the sum of the roots of 9x2=25
A.0
B. 25
C. -0
D. -25
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