1,376 prompts matching "What dy by dx means as a rate of change"
Extra quiz: A word problem mixing money and quantity
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Find my error: Calculating compound interest
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Another worked example: Using exponential growth to model
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Extra quiz: Substituting numbers into an algebraic expression
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Extra quiz: Qualitative data and quantitative data distinguished
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Find my error: Converting between metres and kilometres
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Another worked example: Converting between metric units
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Check my understanding: Recognising line symmetry
I am in SS 1. I think I understand recognising line symmetry and rotational symmetry of a
Find my error: Recognising the symmetry properties
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Extra quiz: Constructing an algebraic expression from a word
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Find my error: Solving a fractional equation with a linear
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Extra quiz: A quadratic with a repeated root
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Another worked example: Why rounding twice can drift from the true value
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More WAEC practice: Rounding a number to a given number
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Extra quiz: Giving more figures than the data can support
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Another worked example: Why unlike surds cannot be combined
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Extra quiz: The conjugate used to rationalise a two-term denominator
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More practice: Expressing a direct proportion between two quantities
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Find my error: Finding an unknown quantity using direct
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Extra quiz: Plotting Cartesian coordinates in two dimensions
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