What does it mean to 'complete the square'?
Complete the Square
Flashcard
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Mathematics
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9th Grade
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Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
Back
Completing the square is a method used to convert a quadratic equation into a perfect square trinomial, making it easier to solve.
2.
FLASHCARD QUESTION
Front
What is the formula for completing the square for the equation ax^2 + bx + c?
Back
The formula is: (x + b/2a)^2 - (b^2 - 4ac)/4a.
3.
FLASHCARD QUESTION
Front
When do you use the plus or minus symbol (±) in solving equations?
Back
You use the ± symbol after taking the square root of both sides of an equation.
4.
FLASHCARD QUESTION
Front
What is a perfect square trinomial?
Back
A perfect square trinomial is an expression that can be factored into the square of a binomial, such as (x + a)^2.
5.
FLASHCARD QUESTION
Front
How do you find the value to complete the square for x^2 + bx?
Back
Take half of b, square it, and add it to both sides of the equation.
6.
FLASHCARD QUESTION
Front
What is the first step in completing the square for the equation x^2 + 6x = 5?
Back
Subtract 5 from both sides to set the equation to zero.
7.
FLASHCARD QUESTION
Front
What is the missing value 'c' in the perfect square trinomial x^2 + 26x + c?
Back
The missing value 'c' is 169.
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