Math Problem Statement
La suma de las raíces de la ecuación cuadrática 13x^2+13x+k-9=0 es igual al producto de las raíces. Entonces k es igual a:
Solution
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Math Problem Analysis
Mathematical Concepts
Algebra
Quadratic Equations
Roots of Equations
Formulas
Sum of the roots: r1 + r2 = -b/a
Product of the roots: r1 * r2 = c/a
Theorems
Relationship between roots and coefficients in quadratic equations
Suitable Grade Level
Grades 9-12
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