The Graduate Record Examination, GRE, is a standardized test required for admission to graduate schools in the United States, Australia, Canada, and many other countries. […]

## Absolute Values

The Graduate Record Examination (GRE) includes an analytical section that tests your math skills. Absolute values are one topic they test on. The question below […]

## How to solve an Inequality

The Graduate Record Exam, GRE, includes an analytical section that tests your math skills. One type of question they ask is on inequalities. In this […]

## How to find a Minimum and Maximum

Question: If $\left|x^{2}-6 x+5\right|=0$ and $|z+3|=z^{2}+2 z-3$ then the minimum value of $xz$ is: a) 2 b) $-3$ C) 10 d) $-15$ Approach: We need […]

## How to find the Greatest Common Factor and the Lowest Common Factor

Question: If $x$ is the greatest common factor of 64 and 26 and $y$ is the least common factor of 27 and 54 . then […]

## 13 expresiones útiles en Ingles que necesitas conocer a la hora de visitar al medico

What brings you in today? Esta pregunta puede traducirse como “¿Qué te trae por aquí hoy?” Es una pregunta introductoria que los médicos suelen hacernos […]