an irrational root, which is a root that cannot be written as a fraction in the form a/b, where a and b are integers, but b ≠ 0.
the range of values (class) that is most commonly found in a data set.
a line segment joining two points on the circumference of the circle. A chord also cuts the...
two lines are parallel if their gradients are the same. This means that the two lines can never...