2,977 prompts matching "work, energy and power"
Learn: Deriving the quadratic formula by completing the square
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Quiz: A negative value of b in the quadratic formula
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WAEC Prep: What the formula gives when the discriminant is negative
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Final Revision: A word problem solved with the quadratic formula
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Learn: The sum of the roots as minus b over a
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Common Mistakes: Roots that are reciprocals of one another
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Learn: What makes an expression in the roots symmetric
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Quiz: The value of one over alpha squared plus one over beta squared
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Final Revision: Using a symmetric function to find an unknown coefficient
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Learn: Making one unknown the subject of the linear equation
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Quiz: Solving the quadratic that results from the substitution
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WAEC Prep: A pair that gives no real solution at all
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Final Revision: Checking both solutions in both equations
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Learn: Forming the quadratic that decides where a line meets a curve
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Quiz: The condition for two points of intersection
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WAEC Prep: Finding the values of m for which a line cuts a curve twice
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Learn: What makes an expression a polynomial
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Common Mistakes: Multiplying one polynomial by another
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Final Revision: The degree of the product of two polynomials
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Learn: Setting out the division of a cubic by a linear expression
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