Math Problem Statement

Si la ecuación cuadrática 18x^2+39x+k−13=0 tiene dos raíces reales repetidas, entonces k es igual a:

Solution

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Math Problem Analysis

Mathematical Concepts

Algebra
Quadratic Equations
Discriminant

Formulas

Discriminant formula Δ = b^2 - 4ac for quadratic equations ax^2 + bx + c = 0

Theorems

Discriminant Theorem

Suitable Grade Level

Grades 9-11