what is equation and expression
Answers
Answer:
An expression is a number, a variable, or a combination of numbers and variables and operation symbols. An equation is made up of two expressions connected by an equal sign.
Step-by-step explanation:
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Answer:
What is the difference between equations and expressions?
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Short Answer:
an expression can include numbers, variables, operators, sets, matrices, and other single things that can all be evaluated to one thing.
An equation is two expressions that are equal to each other.
Long answer:
An expression is like a number, but it can also use variables and be written in different forms. Examples of expressions are:
502 just a number
0.47 yes, decimals count
8/17 and so do fractions
9x−4 just 9 times x minus 4, still a number
(2x−4)2(5x−8) a bunch of operations, but in the end, still a number
{1,2,x,{♤,♡,◇,♧}} One single thing, which happens to be a set
ddxlimu→+∞∫xaf(u)du Calculus works as well.
4/0 even though it is undefined, it is still an expression
In other words, expressions are just numbers, variables (like x and y), constants (like pi and e), and operators (addition, subtraction, division, exponentiation, etc.). That’s why 4/0 is an expression. It has the numbers 4 and 0, as well as the division operator.
Another thing to note: operators don’t just have to be part of the iteration of hyperoperations. Summations, Integrals, derivatives, functions of a number, relations of a number, and sequence values of an index or sums can also be expressions. As long as it can be evaluated to a single thing, such as a number, set, or matrix, it is an expression.
An equation says that two expressions are equal to each other. When you change an expression not by simplifying it, but by actually changing its meaning such as by adding 2, the expression is no longer the same. However, an equation can be manipulated as long as the same thing is done to both equivalent expressions because if two expressions evaluate to the same thing, then adding two to both of them will still make them evaluate to the same thing.