Struggling with your prescribed literature?
Our Literature Study Guides provide insights and analysis of themes and characters and includes guidelines for writing your exam.
the difference between two terms, both of which are perfect squares, such that the factors are the sum and difference of their roots: x2 – y2 = (x + y)(x – y).
a small group of people or items selected by researchers from within a larger population
a set of data that can only contain certain, fixed values, such as whole numbers.
two or more shapes being absolutely identical in shape and size.
data collected for two variables.
an imaginary number