755 prompts matching "Three roots in arithmetic progression in a cubic"
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Explain Back: Finding the first term from the sum and the common difference
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WAEC Prep: A word problem about seats in the rows of a hall
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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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Spot My Mistake: Finding the common ratio when the third and sixth terms are given
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Common Mistakes: Inserting a geometric mean between two numbers
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Common Mistakes: A bouncing ball problem, and the total distance travelled
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Learn: The four inequality symbols, and what each one means
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Worked Example: Adding or subtracting the same number on both sides
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Quiz: Multiplying both sides by a positive number
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Practice: Reversing the sign when multiplying by a negative number
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Explain Back: Solving a linear inequality that contains brackets
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Spot My Mistake: Solving a linear inequality that contains a fraction
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WAEC Prep: Showing the solution of a linear inequality on a number line
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Show All Working: Writing the solution of an inequality as a set
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Common Mistakes: A double inequality such as 2 less than x less than 7
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Learn: Factorising a quadratic before solving the inequality
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Worked Example: The critical values of a quadratic inequality
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Quiz: Using a sketch of the parabola to read off the solution
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Practice: Using a table of signs to solve a quadratic inequality
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