Math Problem Statement
x² + y² = 153 y = −4x
If (x, y) is a solution to the system of equations above, what is the value of x²?
Solution
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Math Problem Analysis
Mathematical Concepts
Algebra
Quadratic Equations
Substitution Method
Formulas
Quadratic equation formula ax^2 + bx + c = 0
Theorems
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Suitable Grade Level
Grades 9-12
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