1,045 prompts matching "Finding the equation of a circle from its centre and radius"
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Explain Back: The zero product rule, and why it works
I have just studied the zero product rule, and why it works in my SS2 Further Mathematics
Explain Back: An answer left in surd form after completing the square
I have just studied an answer left in surd form after completing the square in my SS2 Furt
Spot My Mistake: Completing the square when the roots are not real
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Worked Example: Substituting a, b and c into the quadratic formula correctly
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Spot My Mistake: What the formula gives when the discriminant is nought
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Worked Example: The identity linking alpha squared plus beta squared to the sum and product
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Worked Example: Substituting into the quadratic and tidying up
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Explain Back: Writing the answers as ordered pairs
I have just studied writing the answers as ordered pairs in my SS2 Further Mathematics cla
Worked Example: The discriminant used as the test for intersection
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Explain Back: The condition for the line never to meet the curve
I have just studied the condition for the line never to meet the curve in my SS2 Further M
Worked Example: The division algorithm for polynomials
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Worked Example: The remainder on dividing by x minus 3
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Spot My Mistake: The factor theorem applied to a quartic
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Explain Back: The truth table for a statement with two connectives
I have just studied the truth table for a statement with two connectives in my SS2 Further
Worked Example: The truth table for the conditional
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Worked Example: The truth table for the biconditional
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Explain Back: Arrangements restricted at the first letter
I have just studied arrangements restricted at the first letter in my SS2 Further Mathemat
Worked Example: Selections in which the order does not matter
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Worked Example: Counting the total outcomes with combinations
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Spot My Mistake: The probability that a committee contains a given person
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