Math Problem Statement
Find the x intercept(s) and the coordinates of the vertex for the parabola y=x²+14x+9 . If there is more than one x intercept, separate them with commas.
Solution
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Math Problem Analysis
Mathematical Concepts
Algebra
Quadratic Equations
Parabolas
Formulas
Quadratic equation formula: ax^2 + bx + c = 0
Quadratic formula: x = (-b ± √(b² - 4ac)) / 2a
Vertex formula: x = -b / 2a
Theorems
Quadratic formula
Suitable Grade Level
Grades 9-11
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