1,334 prompts matching "Sum and product of roots of a cubic exam question"
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Worked Example: Solving a quadratic inequality by sketching the parabola
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Explain Back: Choosing a committee with a stated number from each of two groups
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Explain Back: The compound angle formula for tan of A plus B
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Learn: Solving sin x equals a given value between 0 and 360 degrees
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Quiz: The tangent curve and its asymptotes
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Explain Back: The effect of b in y equals sin bx on the period
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Worked Example: The midpoint formula applied to a given segment
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Explain Back: The equation of the line through two given points
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Quiz: Finding the centre and the radius from the general equation
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Learn: The parabola y squared equals 4ax, with its focus and directrix
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Practice: The ellipse in standard form, and its two axes
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Explain Back: The eccentricity of an ellipse
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Explain Back: The variance of an ungrouped set of data
I have just studied the variance of an ungrouped set of data in my SS3 Further Mathematics
Explain Back: Finding the reaction at each support of a loaded beam
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Worked Example: Relative velocity when two bodies move along the same line
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Spot My Mistake: An aeroplane in a cross-wind, and its resultant track
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Learn: Resolving the weight along and perpendicular to an inclined plane
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Worked Example: The normal reaction on a body resting on a smooth incline
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Learn: Angular velocity, and how it relates to linear speed
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Quiz: The centripetal force, and what supplies it in a given situation
Act as my SS3 Further Mathematics tutor and quiz me on the centripetal force, and what sup