611 prompts matching "A pair with equal roots, meaning one solution only"
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Explain Back: The difference of two squares applied to surd conjugates
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Worked Example: Squaring both sides safely when solving a surd equation
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Explain Back: Solving an equation where the surd must be isolated first
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WAEC Prep: Equating the rational and the irrational parts of an equation
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Worked Example: Reading the symbol used for a binary operation
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Explain Back: A binary operation defined on the integers
I have just studied a binary operation defined on the integers in my SS1 Further Mathemati
WAEC Prep: Writing a binary operation rule from a description in words
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Worked Example: Testing the even numbers for closure under addition
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Explain Back: Testing the integers for closure under division
I have just studied testing the integers for closure under division in my SS1 Further Math
Worked Example: Testing a*b against b*a for a given rule
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Explain Back: What it means for an operation to be associative
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WAEC Prep: An operation that is commutative but not associative
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Worked Example: Testing whether star distributes over plus
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Explain Back: Showing distributivity fails by a counter-example
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Worked Example: Finding the identity element from a rule such as a*b = a + b - 3
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Explain Back: What an inverse element is
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WAEC Prep: The inverse of the identity element itself
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Worked Example: The law for multiplying powers of the same base
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Explain Back: The law for a product raised to a power
I have just studied the law for a product raised to a power in my SS1 Further Mathematics
Worked Example: Rewriting a negative index as a fraction
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