There are some properties of operations which we can use to write an expression equivalent to another expression. The same properties of operations can be used to identify equivalent expressions. Commutative Property of Addition :. When adding, changing the order of the numbers does not change the sum. Example :.
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If you draw the graph for a quadratic equation, you can get the shape parabola. Each quadratic functions will have some characteristics. They are. Axis of Symmetry :.
Circle theorems proof: right angle in a semi-circle Video 65a Practice Questions. Circle theorems proof: angles in the same segment Video 65c Practice Questions. Circle theorems proof: cyclic quadrilaterals Video 65d Practice Questions.
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