Math Problem Statement
Jika x1 dan x2 merupakan akar-akar persamaan kuadrat x2 - 7x + 10 = 0, maka persamaan kuadrat yang akar-akarnya x1 + 1 dan x2 + 1 adalah : A. x2 + 9x + 18 = 0 B. x2 - 9x + 18 = 0 C. x2 + 9x - 18 = 0 D. x2 + 18x - 9 = 0 E. x2 - 18x + 9 = 0
Solution
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Math Problem Analysis
Mathematical Concepts
Quadratic Equations
Roots of Equations
Sum and Product of Roots
Formulas
Quadratic equation: ax^2 + bx + c = 0
Sum of roots: x1 + x2 = -b/a
Product of roots: x1 * x2 = c/a
Theorems
Vieta's Formulas
Suitable Grade Level
Grades 9-10
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