It is 25xy.
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Coordinate geometry (or analytical geometry) allows the algebraic representation of geometric shapes. This then allows algebraic concepts to be applied to geometry.
2n, where n is an integer.
It is: 2(x+y) = perimeter whereas x is the width and y is the length of the rectangle
There are many algebraic representations that can denote the vector.A number is an algebric representation of a vector, when denoted by a unit vector factor, e.g Av= IAx + JAy + KAz. The unit vectors are I, J and K and these denote the vector. The subscript v as in Av also denotes the vector, other denotations can be Bolding A, as a vector.oI use brackets A= Ar + Av = [a, A] where the upper case is the vector in the brackets and the lower case is the scalar or real.You can use just the comma, A= [5 ,6 4 3] where the real 5 is before the comma and everything past the comma is a vector.There are many algebraic representations that can denote the vector.
Yes. That is the definition of an algebraic expression.