755 prompts matching "The range of values of x for which an expression stays positive"
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Estimating the value of a surd
I am in SS 1. I'm going to explain estimating the approximate value of a surd such as root
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,
Substituting values into an algebraic expression
I am in SS 1. Teach me substituting given numerical values into an algebraic expression co
Learn: The conjugate of a compound surd expression
You are my personal SS1 Further Mathematics tutor. Teach me the conjugate of a compound su
Practice: Rationalising a denominator of the form a plus root b over c minus root d
Act as my SS1 Further Mathematics tutor. Give me five practice questions on rationalising
Show All Working: Simplifying an expression that mixes the index types
Act as my Further Mathematics examiner. I am in SS 1. Set me a question on simplifying an
Practice: The relation between log a of b and log b of a
Act as my SS1 Further Mathematics tutor. Give me five practice questions on the relation b
Practice: Finding n when the sum of an arithmetic progression is given
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Worked Example: The critical values of a quadratic inequality
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IGCSE Additional Maths Y10: The greatest or the least value of a quadratic — Explain It Back
I am in SS 1. I have just studied the greatest or the least value of a quadratic for Cambr
IGCSE Additional Maths Y10: Converting a table of values to logarithms before plotting — Spot My Mistake
I am a Year 10 pupil taking Cambridge IGCSE Additional Mathematics. Work a question on con
Reviewing all the laws of indices before a test
I am in SS 1. Quiz me with 3 short Additional Maths questions on reviewing every law of in
Sum of the first n terms of an arithmetic series
I am in SS 1. I attempted an Additional Maths question on using the formula Sn = n/2 (2a +
Sum of an arithmetic series given the first and last term
I am in SS 1. Teach me using the formula Sn = n/2 (a + l) to find the sum of an arithmetic
Finding which term of a sequence equals a given value
I am in SS 1. Teach me finding which term number in an arithmetic or geometric sequence is
Finding the equation of a circle from its centre and radius
I am in SS 1. Teach me finding the equation of a circle in the form (x-a)^2 + (y-b)^2 = r^
Explaining the difference between an expression and an equation
I am in SS 1. Give me a Cambridge IGCSE Additional Mathematics style exam question on expl
Spot My Mistake: The decimal expansion of an irrational number, and why it never repeats
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Quiz: Rationalising a denominator of the form one over root 3
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Common Mistakes: Rationalising a denominator of the form root a over root b
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