1,314 prompts matching "Practice: Reversing the sign when multiplying by a negative number"
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Explain Back: The symmetric difference of two sets
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WAEC Prep: The number of elements in the union of two sets
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Final Revision: The power set, and how many subsets a set of n elements has
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Worked Example: Testing whether a binary operation is closed on a given set
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Explain Back: Finding the identity element of a binary operation
I have just studied finding the identity element of a binary operation in my SS3 Further M
Final Revision: Deciding whether a set under an operation forms a group
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Explain Back: Rationalising a denominator of the form a plus root b using the conjugate
I have just studied rationalising a denominator of the form a plus root b using the conjug
WAEC Prep: Comparing the sizes of two surds without a calculator
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Common Mistakes: Solving an equation in which the unknown sits under a root
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Learn: The multiplication and division laws of indices used together
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Explain Back: The laws of logarithms for a product and for a quotient
I have just studied the laws of logarithms for a product and for a quotient in my SS3 Furt
WAEC Prep: The change of base formula for logarithms
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Final Revision: Sketching the graph of a logarithmic function
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Learn: The sum and the product of the roots read from the coefficients
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Worked Example: The discriminant, and what each of its three cases means
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Explain Back: The range of values of k for which the roots are real
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WAEC Prep: Forming an equation whose roots are each two more than the original
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Learn: Finding alpha squared plus beta squared from the sum and product
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Learn: The degree of a polynomial and its leading coefficient
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Explain Back: Finding an unknown coefficient given that a stated factor divides the polynomial
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