Engineering Board Exam Reviewer · Quadratic Equations · medium

If and are the roots of 3x2-7x+2=0, find 2+ 2.

1. 49/9
2. 53/9
3. 37/9
4. 5/9

Answer

C. 37/9

Solution

+ = 73 and = 23. Then 2+ 2=( + )2-2 =49/9- 43=37/9.

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