Math Problem Statement
Consider the quadratic equation
x
2
+
12
x
+
47
.
(A) Fill in the blank to complete the square:
x 2 + 12 x + 47
⎛ ⎝ x 2 + 12 x + ( 2 ) 2 ⎞ ⎠ − ( 2 ) 2 + 47
( x 2 + 12 x + ) + ( − + 47 )
( x + ) 2 +
Solution
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Math Problem Analysis
Mathematical Concepts
Algebra
Quadratic Equations
Completing the Square
Formulas
Standard form of quadratic equation: ax^2 + bx + c = 0
Completing the square: x^2 + bx = (x + b/2)^2 - (b/2)^2
Theorems
Quadratic Formula
Vertex Form of a Quadratic
Suitable Grade Level
Grades 9-11