Completing the Square & Discriminant
Flashcard
•
Mathematics
•
9th - 12th Grade
•
Practice Problem
•
Hard
Wayground Content
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10 questions
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1.
FLASHCARD QUESTION
Front
What do you do to the b value to correctly complete the square?
Back
divide it by 2 and square the result
2.
FLASHCARD QUESTION
Front
Rewrite the equation by completing the square: x2 + 6x = 5
Back
(x + 3)2 = 14
3.
FLASHCARD QUESTION
Front
(x - __ )2 = 20
Back
2
4.
FLASHCARD QUESTION
Front
Solve for x: (x + 6)2 = 49
Back
x = 1, -13
5.
FLASHCARD QUESTION
Front
When do you use the plus or minus symbol (±)?
Back
After taking the square root of both sides
6.
FLASHCARD QUESTION
Front
Solve (Factor): 3x2 + 18x +15 = 0 Hint: Factor GCF first.
Back
x = -5, -1
7.
FLASHCARD QUESTION
Front
What is the first question you ask yourself when factoring a polynomial?
Back
Is there a GCF?
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