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points that lie on the same line (so that the gradient is the same at each point).
the formula used to solve a quadratic equation 0 = ax2 + bx + c...
(also called compound depreciation) decrease based on a fixed rate of change over a period of...
the algebraic rule that tells you how each term is formed in an arithmetic sequence: common...
the line that best fits the data, calculated according to the least squares method of regression...