Algebraic Identities and Formulas
Flashcard
•
Mathematics
•
9th Grade
•
Hard
Rai Rajeswori
FREE Resource
Student preview
8 questions
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1.
FLASHCARD QUESTION
Front
What is the expansion of (a + b)²?
Back
a² + 2ab + b²
2.
FLASHCARD QUESTION
Front
What is the expansion of (a - b)²?
Back
a² - 2ab + b²
3.
FLASHCARD QUESTION
Front
What is the expansion of (a + b)³?
Back
a³ + b³ + 3ab(a + b) = a³ + b³ + 3a²b + 3ab²
4.
FLASHCARD QUESTION
Front
What is the expansion of (a - b)³?
Back
a³ - b³ - 3ab(a - b) = a³ - b³ - 3a²b + 3ab²
5.
FLASHCARD QUESTION
Front
What is the formula for a³ - b³?
Back
(a - b)(a² + ab + b²)
6.
FLASHCARD QUESTION
Front
What is the formula for a³ + b³?
Back
(a + b)(a² - ab + b²)
7.
FLASHCARD QUESTION
Front
What is the formula for a³ + b³ + c³?
Back
3abc = (a + b + c)(a² + b² + c² - ab - bc - ca)
8.
FLASHCARD QUESTION
Front
What is the expansion of (a + b + c)²?
Back
a² + b² + c² + 2ab + 2bc + 2ca
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