755 prompts matching "Learn: The parabola y squared equals 4ax, with its focus and directrix"
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Show All Working: Deciding whether a number belongs to a given arithmetic progression
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Worked Example: The alternative sum formula that uses the last term
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Practice: Finding n when the sum of an arithmetic progression is given
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Explain Back: Finding the first term from the sum and the common difference
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Show All Working: The sum of the terms lying between two given positions
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Common Mistakes: Proving the sum formula by pairing the terms
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Worked Example: Finding the common ratio of a geometric progression
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Practice: Finding the eighth term of a given geometric progression
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Explain Back: Finding the first term from two given terms of a geometric progression
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Worked Example: Which form of the sum formula to use when r is less than one
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Practice: Finding n when the sum of a geometric progression is given
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Show All Working: The sum to infinity of a geometric progression, and when it exists
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Common Mistakes: A bouncing ball problem, and the total distance travelled
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Worked Example: Adding or subtracting the same number on both sides
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Practice: Reversing the sign when multiplying by a negative number
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Explain Back: The solution when the quadratic expression is greater than nought
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IGCSE Additional Maths Y10: The domain of a function — Worked Example
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IGCSE Additional Maths Y10: The image of an element under a function — Practice Set
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IGCSE Additional Maths Y10: The vertical line test for a function — Show All Working
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IGCSE Additional Maths Y10: Restricting the domain so that a rule becomes a function — Exam Technique
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