1,325 prompts matching "A word problem solved with the quadratic formula"
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Practice: The magnitude of the sum of two vectors
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Worked Example: Finding the unit vector in the direction of a given vector
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Worked Example: The position vector of the midpoint of AB
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Worked Example: The triangle law of vector addition
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Practice: The dot product as the magnitudes times the cosine of the angle
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Practice: Deciding whether a point lies on a given line
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Worked Example: The powers of i, and the cycle they follow
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Practice: The sum of a complex number and its conjugate
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Practice: The argument of a complex number in the second or third quadrant
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Practice: The addition of complex numbers shown on an Argand diagram
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Worked Example: The quotient rule for differentiation
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Worked Example: Classifying a stationary point by the sign of the gradient either side
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Worked Example: The area between a curve and the x-axis
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Practice: The sign convention for displacement, velocity and acceleration
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Practice: The range of a projectile on level ground
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Practice: The conservation of momentum in a collision
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Worked Example: Power as the rate of doing work
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Worked Example: Finding the first term and the common difference from two given terms
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Practice: The sum to infinity of a convergent geometric series
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Practice: The middle term when the power is odd
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