Explanation: (x,y) is a pair of real numbers. The meaning is: (x,y) is an ordered pair of numbers belonging to R×R=R2 . The first pair memeber belongs to the first set R and the second belongs to second R . Also asked, what does Y stand for in algebra?
The symbol stands for an unknown number, the symbol y stands for an unknown number and the symbol 2 stands for a known number, two. In algebra when two symbols that stand for a number are placed beside each other the operation between them is taken to be multiplication.
Likewise, what does 4 XY mean? (xy) means 'x multiplied by y'; let's call this product z. Thus 4(xy) is the same as 4z, which means 'four times z', which equals 4xy. 119 views.
In respect to this, is xy the same as yx in algebra?
Don't overlook terms that are alike! Terms obey the associative property of multiplication - that is, xy and yx are like terms, as are xy2 and y2x.
What number is Y in algebra?
Where y is the dependent variable(the answer for a value of x, the one you are changing),m is the slope of the line, and b is the value for y when x is 0. When x is 0, y is 5, and when x is 5 (just a random number) y is 20.
Related Question Answers
What is an example of algebra?
Numeric expressions apply operations to numbers. For example, 2(3 + 8) is a numeric expression. Algebraic expressions include at least one variable and at least one operation (addition, subtraction, multiplication, division). For example, 2(x + 8y) is an algebraic expression. What does Z mean in algebra?
R = real numbers includes all real number [-inf, inf] Q= rational numbers ( numbers written as ratio) N = Natural numbers (all positive integers starting from 1. ( 1,2,3.inf) z = integers ( all integers positive and negative ( -inf, , -2,-1,0,1,2.inf) What does P mean in algebra?
In probability and statistics P(X) means the probability of X occurring. In set theory, P(X) means the power set of X. In geometry, P can refer to a projective space although it is also often the name given to a par The same symbol can be used for an enormous number of different things in maths. What does 5n mean in algebra?
5N means "Fine". Why do we use letters in algebra?
In algebraic expressions, letters represent variables. These letters are actually numbers in disguise. In this expression, the variables are x and y. We call these letters "variables" because the numbers they represent can vary—that is, we can substitute one or more numbers for the letters in the expression. What does C mean in algebra?
In math, generally you see that as the set of all complex numbers. In addition to PreCalculus, C is a one number in the Mean Value Theorem or (MVT) for short. What does 2x mean in algebra?
2x means product (multiplication) of 2 and x. So, we get. 2 × 3 = 6, 2 × 10 =20, 2×100 =200. 2. Again consider 2x. What is like terms in algebra?
Like terms are terms that contain the same variables raised to the same power. Only the numerical coefficients are different. In an expression, only like terms can be combined. We combine like terms to shorten and simplify algebraic expressions, so we can work with them more easily. What is an algebra term?
In Algebra a term is either a single number or variable, or numbers and variables multiplied together. Terms are separated by + or − signs, or sometimes by divide. See: Variable. Algebra - Definitions. Are XY and YX like terms?
Terms obey the associative property of multiplication - that is, xy and yx are like terms, as are xy2 and y2x. What does like terms mean?
"Like terms" are terms whose variables (and their exponents such as the 2 in x2) are the same. In other words, terms that are "like" each other. Note: the coefficients (the numbers you multiply by, such as "5" in 5x) can be different. Is 2xy the same as 2yx?
2xy = 2yx Add '-2xy' to each side of the equation. This equation is an identity, all real numbers are solutions. What do XY mean?
In this system, the sex of an individual is determined by a pair of sex chromosomes. Females typically have two of the same kind of sex chromosome (XX), and are called the homogametic sex. Males typically have two different kinds of sex chromosomes (XY), and are called the heterogametic sex. What does XY 1 mean?
1) When x = 2, y = 1/2, xy = 1. But when x = 1, y = 1/3, xy = 1. What does XY mean in probability?
The notation P(x|y) means P(x) given event y has occurred, this notation is used in conditional probability. 
