643 prompts matching "Proving that a quadratic expression is positive for every real x"
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Rationalising a more complex conjugate denominator
I am in SS 1. I attempted an Additional Maths question on rationalising a fraction with a
Surds arising from Pythagoras' theorem
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Rationalising and then simplifying fully
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Solving a surd equation that gives an extraneous root
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Explaining why we rationalise denominators
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Finding a missing intersection from set sizes
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Sigma notation for a sum
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Finding the first term or common difference from the sum formula
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Word problem: total distance from a bouncing ball
I am in SS 1. Quiz me with 3 short Additional Maths questions on a classic word problem wh
Condition for two lines to be perpendicular
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Equation of the perpendicular bisector of a segment
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Finding an unknown coordinate using the gradient formula
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Factorising the difference of two squares
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Factorising the sum and difference of two cubes
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Simplifying an algebraic fraction by factorising first
I am in SS 1. Teach me simplifying an algebraic fraction by factorising both the numerator
Changing the subject of a simple formula
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Explaining the difference between an expression and an equation
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Spot My Mistake: The decimal expansion of an irrational number, and why it never repeats
Act as my SS1 Further Mathematics tutor. Work a question on the decimal expansion of an ir
Spot My Mistake: Why root 8 and root 2 turn out to be similar
Act as my SS1 Further Mathematics tutor. Work a question on why root 8 and root 2 turn out
WAEC Prep: Ordering a list of surds by size
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