If the roots of the quadratic equation x^2 - 7x + 10 = 0 are r1 and r2, what is the value of r1 + r2

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Basic Operations & Factorization

Linear Equations

Quadratic Equations

A. 5

B. 7

C. 10

D. 3

E. None of the above

Answer: B. 7

By Vieta's formulas, the sum of the roots r1 + r2 is equal to the coefficient of x with the opposite sign, which is 7.

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