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a quadratic expression or equation using one or more of the symbols <, >, ≤, or ≥.
when working with a right-angled triangle and trigonometric ratios, the side next to the angle...
the graph of a quadratic function; or a graph with one vertical axis of symmetry and one turning...
writing a quadratic algebraic expression ax2 + bx + c with...
a pair of surds which multiply together to give a rational number..
formulae for writing ratios of 90° ± a, 180° ± a and 360° ± a in...