MCQ
What is a variable?
- AA symbol that takes a fixed numerical value.
- ✓A symbol that takes various numerical value.
- CA symbol some time fixed and some time variable.
- DCannot be determined.
A variable is a symbol or letter, such as $x$ or $y$, that represents a value.
In algebraic equations, the value of one variable is often dependent on the value of
another. Hence its a symbol that takes various numerical values.
e.g. in the polynomial $x+5, x$ is a variable.
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