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a statement that is true for all values of a variable.
the square of a binomial will always result in the trinomial a2 + 2ab...
(N) all the counting numbers, starting at 1: N = {1, 2, 3, 4, 5, ...}
two lines are parallel if their gradients are the same. This means that the two lines can never...
a coordinate pair of values where the first number gives the x-value and the second...