584 prompts matching "Practice: Why a 2 by 2 matrix with determinant nought cannot be inverted"
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Perpendicular from a point to a line
I am in SS 1. Teach me finding the equation of the line through a given point that is perp
Distinguishing gradient sign: positive, negative, zero, undefined
I am in SS 1. Show me a fully worked Cambridge/Additional Maths style solution to a questi
Common mistakes in coordinate geometry formulas
Teach me the most common mistakes SS1 students make with coordinate geometry formulas, suc
Coordinate geometry involving a right-angle condition to find x
I am in SS 1. Teach me finding an unknown coordinate x so that two given line segments mee
Simplifying a complex algebraic fraction
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Changing the subject when the variable appears twice
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Substituting values into an algebraic expression
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Common sign errors in algebraic manipulation
Show me a fully worked Cambridge/Additional Maths style solution to a question on the most
Power of a power rule
I am in SS 1. Quiz me with 3 short Additional Maths questions on the power-of-a-power rule
Zero index rule
I am in SS 1. I'm going to explain the zero index rule, showing why any nonzero number rai
Negative indices as fractions
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Index equations reducing to a quadratic
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Comparing the size of two large index numbers
I am in SS 1. Quiz me with 5 short Additional Maths questions on comparing the size of two
Simplifying a fraction of two bracketed index terms
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Index notation for a nested root
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Solving 9^x x 3^(x+1) = 1
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Indices in a WAEC-style savings context question
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Combining several index laws in one simplification
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Index law shortcuts for mental exam questions
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Reviewing all the laws of indices before a test
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