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Definition of Radical Expression
A radical expression is an expression containing a square root.
Examples of Radical Expression
are examples of radical expression.
More about Radical Expression
Radical: Thesymbol that is used to denote square root or nth roots.
Radicand: Radicand is a number or expression inside the radical symbol.
For example, 5 is the radicand in.
Radical equation: An equation containing radical expressions with variables in the radicands.
Radical inequality: An inequality containing a radical expression with the variable in the radicand.
Solved Example on Radical Expression
Evaluate the radical expression when a = 2 and b = 4.
Choices:
A. 9
B. 8
C. 7
D. 6
Correct Answer: D
Solution:
Step 1: [Substitute the values of a and b in the given radical expression.]
Step 2: [Find the positive square root.]
Step 3: [Multiply.]
Step 4: [Add.]
Step 5: = 6 [Simplify.]
Add your answer:
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Is any number expressed with a radical symbol an irrational number?
No. Radical(1.21) = 1.1, for example, is rational.
What is radicand?
-The radical is the symbol that represents a square root. -The radicand is the number underneath the radical symbol. -The coefficient is the number out in front of the radical. (We assume that the coefficient multiplies the radical, the same way it would multiply with a variable.)
How can you tell the value of a radical is a rational number?
If the number inside the radical is a perfect square or a ratio of perfect squares.
Can you subtract a radical number from a whole number?
yes
Why can't you factor negative radical numbers?
You cannot factor negative radical numbers because the square of a number must always be positive. A negative number multiplied by a negative number produces a positive number. So, it is impossible to have a negative radical.
When you multiply a radical number with another radical number do the radical signs cancel each other out?
Not necessarily. If it is the same radical number, then the signs cancel out. Radical 5 times radical 5 equals 5. But if they are different, then you multiply the numbers and leave them under the radical sign. Example: radical 5 * radical 6 = radical 30
What is the number under the radical?
A number under a radical sign is known as a radicand.
What is the number under the radical sign known as?
The number under the radical sign (also known as the radical) is called the radican.
What is the coefficient of radical 2?
Radical 2 is a number, it does not have a coefficient.
If a radical is multiplied by a number or variable you should put the number or variable the radical sign?
before
What is the definition of radical number in astrology?
I have the same question....What is Radical Number in horoscope........is it good or bad?????
What is the meaning of the operation with radical expressions?
A radical number is a number with a decimal. so a radical expression would be like 5 raised to the 2.5 power.
What is the function of radical?
The function of a radical in math is to indicate the operation of taking the root of a number. It is represented by placing a radical symbol (√) before the number. The number inside the radical is known as the radicand.
Is any number expressed with a radical symbol an irrational number?
No. Radical(1.21) = 1.1, for example, is rational.
Is a radical a real number?
It can be.
What is radicand?
-The radical is the symbol that represents a square root. -The radicand is the number underneath the radical symbol. -The coefficient is the number out in front of the radical. (We assume that the coefficient multiplies the radical, the same way it would multiply with a variable.)
How can you tell the value of a radical is a rational number?
If the number inside the radical is a perfect square or a ratio of perfect squares.
