1,326 prompts matching "completing the square when the coefficient of x squared is not one"
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Worked Example: What a determinant of nought means for a 2 by 2 matrix
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WAEC Prep: Expanding a 3 by 3 determinant along the first row
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Spot My Mistake: Checking a Cramer's rule solution by substituting back
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Quiz: Arranging the equations in standard form before applying Cramer's rule
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Quiz: Checking an inverse by multiplying to get the identity
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WAEC Prep: Checking the determinant before attempting a 3 by 3 inverse
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WAEC Prep: A three-unknown system arising from a word problem
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Quiz: Solving three simultaneous equations with the inverse matrix
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WAEC Prep: A particle, and what the word assumes
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WAEC Prep: A rigid body, and what the word assumes
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WAEC Prep: The difference between a kilogram and a kilogram weight
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Spot My Mistake: Compounding three forces acting at one point
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Quiz: Recovering the original force from its two components
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WAEC Prep: The forces on a body resting on a rough horizontal plane
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WAEC Prep: The forces on a body suspended by a single string
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WAEC Prep: The three unknowns a rigid body problem usually carries
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WAEC Prep: The two conditions for a rigid body to be in equilibrium
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Learn: Choosing the point about which to take moments
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WAEC Prep: Why friction is called a self-adjusting force
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WAEC Prep: Friction, and the direction in which it acts
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