What is the math symbol that looks like a check mark?

Radical symbol: the symbol that looks like a check mark with an elongated horizontal line stuck to the end of it. Index: the small number tucked inside the check mark portion of the radical sign; in the expression a√b, a is the index.Click to see full answer. Considering this, what does a check mark mean in a math equation?Radical (√): This symbol means to take the square root of something — to find the number which, multiplied by itself, gives you the number under the sign.Likewise, what are the symbols in algebra? Common Symbols Used in Algebra Symbol Meaning Example < ≤ less than, less than or equal to 2 < 3 > ≥ greater than, greater than or equal to 5 > 1 implies (if then) a and b are odd a+b is even “if and only if” or iff or “is equivalent to” x=y+1 y=x−1 Besides, what does this symbol stand for in math? This symbol < means less than, for example 2 < 4 means that 2 is less than 4. This symbol > means greater than, for example 4 > 2. ≤ ≥ These symbols mean ‘less than or equal to’ and ‘greater than or equal to’ and are commonly used in algebra. In computer applications <= and >= are used.What does [] mean in math?The mean is the average of the numbers. It is easy to calculate: add up all the numbers, then divide by how many numbers there are. In other words it is the sum divided by the count.

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