What is the method used to solve quadratic equations by rewriting them in a perfect square form?
Quadratics ~ Completing the Square Method

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•
Mathematics
•
9th - 12th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
Back
Completing the square.
2.
FLASHCARD QUESTION
Front
What is the first step in completing the square for the equation x^2 + bx + c = 0?
Back
Isolate the constant term (c) on one side of the equation.
3.
FLASHCARD QUESTION
Front
How do you find the value to complete the square for the term bx?
Back
Divide b by 2 and square the result.
4.
FLASHCARD QUESTION
Front
What is the completed square form of the expression x^2 + 6x?
Back
(x + 3)^2 - 9.
5.
FLASHCARD QUESTION
Front
What do you add to both sides of the equation when completing the square?
Back
The square of half the coefficient of x.
6.
FLASHCARD QUESTION
Front
In the equation x^2 + 10x + 21 = 0, what is the first operation to perform?
Back
Subtract 21 from both sides.
7.
FLASHCARD QUESTION
Front
What is the completed square form of the equation x^2 + 6x = 5?
Back
(x + 3)^2 = 14.
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