Sal proves that the square root of 2 is an irrational number, i.e. it cannot be given as the ratio of two integers. Is the square root of 4 rational? Is the Square Root of 4 Rational or Irrational? A number that can be expressed as a ratio of twoRead More →

Answer: Zero is an example of a rational number. Any fraction with non-zero denominators is a rational number. So we can say that ‘0’ is also a rational number since it can represent it in many forms of 0/1, 0/2, 0/3, etc. Is 0 or zero is a rational numberRead More →

A set is countable if you can count its elements. Of course if the set is finite, you can easily count its elements. If the set is infinite, being countable means that you are able to put the elements of the set in order just like natural numbers are inRead More →

The product of two irrational numbers is rational. The sum of a rational number and an irrational number is irrational. Is the sum of two irrational numbers always an irrational number? Always true. The sum of an irrational number and an irrational number is irrational. Only sometimes true (for instance,Read More →

To write a rational expression in lowest terms, we must first find all common factors (constants, variables, or polynomials) or the numerator and the denominator. Thus, we must factor the numerator and the denominator. Once the numerator and the denominator have been factored, cross out any common factors. What areRead More →

Rational individuals displayed more abstract characteristics like logic, emotional suppression, methodical behavior, and analytical thinking. Whereas, reasonable individuals displayed socially conscious characteristics like kindness, honesty, fairness, and interpersonal sensitivity. What does the word logical? Logical describes something that comes from clear reasoning. … The adjective logical is rooted in theRead More →

We can now generalize the notion of open and closed intervals from to open and closed sets in . A set is open if every point in is an interior point. A set is closed if it contains all of its boundary points. Is the set of integers open orRead More →

Most of us are fearful in situations that pose a real threat to our health and safety, and our automatic ‘fight or flight’ response kicks in; this is perfectly normal. But when the threat is non-existent or exaggerated, our fear can usually be classed as irrational. Are most fears irrational?Read More →

Rational Rose is a set of visual modeling tools for development of object oriented software. Rose uses the UML to provide graphical methods for non-programmers wanting to model business processes as well as programmers modeling application logic. What is ClearCase tool? ClearCase is a software configuration management tool used forRead More →

The idea that individuals will always make rational, cautious and logical decisions is known as the rational choice theory. An example of a rational choice would be an investor choosing one stock over another because they believe it offers a higher return. What is the importance of rational decision making?Read More →