What is the difference between
a) constant and variable
b) constant and coefficient
Answer with Example
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Answers
(a) A Constant does not change its value over time. A Variable, on the other hand, changes its value dependent on the equation. Constants usually represent the known values in an equation, expression or in line of programming.
Example: in "x + 5 = 9", 5 and 9 are Constants.
Example: in x + 2 = 6, x is the Variable.
(b) A Coefficient is the number in front of the letter, Eg: 3x2 3 is the Coefficient. A Constant is just a number Eg: y=3x2+7 7 is the Constant.
:)
EXPLAIN
CONSTANT
A fixed value. In Algebra, a Constant is a number
on its own, or sometimes a letter such as a , b or c to stand for a fixed number.
Example: In "x + 5 = 9" , 5 and 9 are constants.
VARIABLES
In mathematics, a variable is a symbol or letter
such as "x" or "y" that represents a value.
For example, variable of the string data type may contain a value of "sample text" while a
variable of the integer data type may contain
a value of " 11 ".
COFFICIENT
A cofficient is the number in front of the letter,
eg 3x2 3 is the cofficient. A Constant is just a number eg y = 3x2+7, 7 is the constant.
(Hope it will help u)