what is a radical??

3 answers

The term "radical" can have different meanings depending on the context in which it is used:

  1. Mathematics: In mathematics, a radical refers to a root of a number, particularly the square root (√) or higher roots (like cube root, fourth root, etc.). For example, the square root of 9 is written as √9, which equals 3. The expression involving a radical is typically called a "radical expression."

  2. Chemistry: In chemistry, a radical refers to an atom, molecule, or ion that has unpaired electrons and is typically highly reactive. Free radicals can cause chain reactions in chemical processes and are often involved in combustion, polymerization, and oxidative stress in biological systems.

  3. Politics and Sociology: In a political or social context, a radical is someone who advocates for significant, fundamental changes to the political, economic, or social systems. Radicalism often seeks to address perceived injustices and may involve revolutionary ideas or actions.

  4. General Usage: More broadly, "radical" can describe something that is extreme or fundamental in nature. It can refer to ideas, behaviors, or approaches that challenge the status quo or traditional norms.

If you need more details or a specific context addressed, feel free to ask!

what is a rational number?

A rational number is a type of number that can be expressed as the quotient or fraction of two integers, where the numerator is an integer and the denominator is a non-zero integer. In mathematical terms, a rational number can be written in the form \( \frac{a}{b} \), where:

  • \( a \) is an integer (which can be positive, negative, or zero).
  • \( b \) is a non-zero integer.

Examples of rational numbers include:

  • \( \frac{1}{2} \) (which is 0.5 when expressed as a decimal),
  • \( -\frac{3}{4} \) (which is -0.75),
  • \( 5 \) (which can be expressed as \( \frac{5}{1} \)),
  • \( 0 \) (which can be expressed as \( \frac{0}{1} \)).

Rational numbers can also be represented as terminating or repeating decimals. For instance, \( \frac{1}{3} \) is a rational number that can be expressed as the decimal 0.333..., which is a repeating decimal.

In contrast, irrational numbers cannot be expressed as a fraction of integers. Examples of irrational numbers include \( \pi \) and the square root of 2 (√2).

Similar Questions
    1. answers icon 1 answer
  1. Find the area of the rectangle shown in the figure.length = radical (3) + radical (5) width = radical (3) + radical (5) My
    1. answers icon 0 answers
  2. Simplify by combining like terms.Problem #32 radical (63) - 2 radical (28) + 5 radical (7) My answer: 4radical(7) Problem #50
    1. answers icon 0 answers
  3. Can somoene helpme plz...Simplify radical 7 * radical 14 wouldn't it be radical (7*14) = radical (98) = 7radical (14) = 7
    1. answers icon 0 answers
more similar questions