1,321 prompts matching "Factorising fully, and knowing when to stop"
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Explain Back: Solving a quadratic in sin x
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WAEC Prep: Solving an equation by first applying a double angle formula
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Show All Working: Solving a cos x plus b sin x equals c by the R method
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Common Mistakes: Giving the general solution of a trigonometric equation
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Explain Back: The effect of b in y equals sin bx on the period
I have just studied the effect of b in y equals sin bx on the period in my SS3 Further Mat
WAEC Prep: A phase shift in y equals sin of x minus d
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Show All Working: Reading the solutions of a trigonometric equation off a graph
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Explain Back: The equation of the line through two given points
I have just studied the equation of the line through two given points in my SS3 Further Ma
WAEC Prep: Proving two given lines parallel from their gradients
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Show All Working: Proving two given lines perpendicular from their gradients
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Common Mistakes: The angle between two lines found from their gradients
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Explain Back: Deciding whether a point lies inside, on or outside a circle
I have just studied deciding whether a point lies inside, on or outside a circle in my SS3
WAEC Prep: The length of the tangent from an external point
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Worked Example: The parametric form of a point on a parabola
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Explain Back: The eccentricity of an ellipse
I have just studied the eccentricity of an ellipse in my SS3 Further Mathematics class. Le
Show All Working: The rectangular hyperbola xy equals c squared
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Common Mistakes: Identifying a conic from a general second-degree equation
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Worked Example: The interquartile range of a set of ordered data
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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
Common Mistakes: The coefficient of variation, for comparing two sets
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