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How do you recognize identity in algebra?
In algebra, an identify is an equation which is always true, no mater what value you plug in for the variable. You can recognize an identity because when you solve it, you get out a true statement. Here is an example: 3 + 2x = 3(1+x) - x Distribute: 3 + 2x = 3 + 3x - x Combine like terms: 3 + 2x = 3 + 2x Subtract 2x from each side: 3 = 3 3 = 3 is a true statement, so the equation is an identity.
What are the properties of a group?
In abstract algebra, the properties of a group G under a certain operation are:Associativity: (ab)c = a(bc) for all a, b and c belonging to GIdentity: Identity e belongs to G.Inverse: If ab = ba = a, where a is the identity, then b is the inverse of a.
What are the Idiosyncrasies of matrix algebra?
idiosyncrasies of matrix are the differences between matrix algebra and scalar one. i'll give a few examples. 1- in algebra AB=BA which sometimes doesn't hold in calculation of matrix. 2- if AB=0, scalar algebra says, either A, B or both A and B are equal to zero. this also doesn't hold in matrix algebra sometimes. 3- CD=CE taking that c isn't equal to 0, then D and # must be equal in scalar algebra. Matrix again tend to deviate from this identity. its to be noted that these deviations from scalar algebra arise due to calculations involving singular matrices.
What is after pre algebra?
Since "pre-" means before, then pre-algebra would be before algebra. Conversely, algebra would be after pre-algebra. Generally, the next class after a pre-algebra class would be Algebra I, followed by Algebra II.
What is the difference in Algebra 1 part 1 and Pre-Ap Algebra?
Pre-algebra preps you for algebra.2nd answer:Pre-AP-algebra is the same as Algebra I. Both are way harder than pre- algebra.
