Each coloured set of algebraic expressions contains one 'Odd One Out'.
Find the odd one out in each row and justify your answer.
Quadratic Expressions
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1. Important terminology
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2. Binomial Expansions
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3. Expanding a difference of two squares
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4. Expanding a perfect square
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5. Review of Year 8 factorisation
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6. Factorising a difference of two squares
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7. Factorising a MONIC quadratic trinomial
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8. Factorising a NON-MONIC quadratic trinomial
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9. Factorising a perfect square
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10. Grouping in pairs
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11. Solving a FACTORISED quadratic equation (Null Law Factor)
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12. Solving a quadratic equation where b = 0 or c = 0
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13. Solving a quadratic equation with 3 terms
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