Algebraic Expressions and Identities Flashcards
1
Q
Criteria for terms to be bi-,mo-,tri- or polynomials.
A
The terms should have non zero coefficients((with
variables having non negative integers as exponents)
2
Q
Types of Expressions
A
- Monomials (1 terms)
- Binomials (2 terms)
- Trinomials (3 terms)
- Polynomials (4 or more terms)
3
Q
Identity 1
A
(a + b)^2 = a^2+ 2ab + b^2
4
Q
Identity 2
A
(a – b)
2
= a
2
– 2ab + b
2
5
Q
Identity 3
A
(a + b) (a – b) = a^2 – b^2
6
Q
Identity 4
A
(x + a) (x + b) = x^2 + (a + b) x + ab