Completing the Square Basics
Flashcard
•
Mathematics
•
9th - 12th Grade
•
Practice Problem
•
Hard
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8 questions
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1.
FLASHCARD QUESTION
Front
First step to solve by completing the square: a2 + 10a + 21 = 0
Back
Subtract the 21
2.
FLASHCARD QUESTION
Front
Given the perfect square trinomial, identify the equivalent expression: x2+14x+49
Back
(x+7)2
3.
FLASHCARD QUESTION
Front
Given the perfect square trinomial, identify the equivalent expression: x2-18x+81
Back
(x-9)2
4.
FLASHCARD QUESTION
Front
To solve by completing the square, what is the first step? x2 = 9 - 4x
Back
add 4x to both sides
5.
FLASHCARD QUESTION
Front
Solve by completing the square:
k2 − 12k + 23 = 0
Back
{6 + √13, 6 - √13}
6.
FLASHCARD QUESTION
Front
Complete the Square
x2 + 6x = 5
Back
(x + 3)2 = 14
7.
FLASHCARD QUESTION
Front
Solve the quadratic equation by completing the square: x2 + 4x - 35 = 5
Back
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