755 prompts matching "Learn: The sum of the roots of a cubic read from its coefficients"
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Finding the nth term of an arithmetic sequence
I am in SS 1. I'm going to explain finding the nth term formula of an arithmetic sequence,
Finding the common difference from given terms
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Finding the number of terms in an arithmetic series
I am in SS 1. Show me a fully worked Cambridge/Additional Maths style solution to a questi
Finding the nth term of a geometric sequence
I am in SS 1. Quiz me with 5 short Additional Maths questions on finding the nth term form
Finding the common ratio from given terms
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Applying the sum to infinity formula when the ratio lies between minus one and one
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Equation of the perpendicular bisector of a segment
I am in SS 1. Quiz me with 4 short Additional Maths questions on finding the equation of t
Area of a triangle from three coordinates
I am in SS 1. I'm going to explain finding the area of a triangle given the coordinates of
Finding the equation of a line parallel to the x-axis or y-axis through a point
I am in SS 1. I'm going to explain finding the equation of a line through a given point th
Finding the centre and radius from a circle's equation
I am in SS 1. Quiz me with 3 short Additional Maths questions on finding the centre and ra
Finding the equation of a median of a triangle
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Factorising the difference of two squares
I am in SS 1. Quiz me with 3 short Additional Maths questions on factorising the differenc
Changing the subject of a simple formula
I am in SS 1. Show me a fully worked Cambridge/Additional Maths style solution to a questi
Spot My Mistake: The decimal expansion of an irrational number, and why it never repeats
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WAEC Prep: Pi and root 2 as the two best-known irrational numbers
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Worked Example: Adding two surds that simplify to the same root
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Quiz: Subtracting one surd from another
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Common Mistakes: Expanding the product of two surd brackets
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Explain Back: The difference of two squares applied to surd conjugates
I have just studied the difference of two squares applied to surd conjugates in my SS1 Fur
WAEC Prep: Expressing the answer in the form a plus b root c
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