681 prompts matching "Real-life question: Calculating take-home pay after tax and deductions"
Worked example: Finding the equation of a tangent at a point
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WAEC pitfalls: Substituting into the original function instead of the derivative
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Explain back: The second derivative test for a maximum or a minimum
I have just studied the second derivative test for a maximum or a minimum in my SS3 Mathem
Worked example: Sketching a cubic using its stationary points
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WAEC pitfalls: Omitting to test the nature of a stationary point
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Explain back: The chain rule connecting two related rates
I have just studied the chain rule connecting two related rates in my SS3 Mathematics clas
Worked example: A ladder sliding down a wall as a related-rate problem
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WAEC pitfalls: Substituting the numbers before differentiating
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Explain back: Why the constant of integration is needed
I have just studied why the constant of integration is needed in my SS3 Mathematics class.
Worked example: Integrating a polynomial term by term
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WAEC pitfalls: Dividing by the original index instead of the new one
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Explain back: Why the constant of integration cancels in a definite integral
I have just studied why the constant of integration cancels in a definite integral in my S
Worked example: The area between a curve and the x-axis
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WAEC pitfalls: Ignoring an area that lies below the axis
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Explain back: Adding and subtracting vectors by components
I have just studied adding and subtracting vectors by components in my SS3 Mathematics cla
Worked example: Finding the magnitude and direction of a vector
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WAEC pitfalls: Dropping the negative sign when reversing a vector
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Explain back: The midpoint of a line segment in vector form
I have just studied the midpoint of a line segment in vector form in my SS3 Mathematics cl
Worked example: Proving three points are collinear with vectors
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WAEC pitfalls: Confusing a position vector with a displacement vector
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