912 prompts matching "Why the absolute value is taken in mean deviation"
Spot My Mistake: An index equation solved by taking logarithms (IGCSE Marking)
I am in SS 2. I am revising for both my Cambridge IGCSE and my WAEC Mathematics papers. Sh
Explain Back: A logarithmic equation with logarithms on both sides (IGCSE/WAEC Revision)
I am in SS 2. Let me explain a logarithmic equation with logarithms on both sides back to
Worked Example: Adding the first n terms of an arithmetic progression by pairing them (Show That / Hence Find)
I am in SS 2. I am revising for both my Cambridge IGCSE and my WAEC Mathematics papers. Wa
IGCSE-style question: Proving that a sequence is arithmetic
I am a Year 11 pupil. Set me one full Cambridge IGCSE examination question on proving that
IGCSE-style question: The condition on the common ratio for a sum to infinity
I am a Year 11 pupil. Set me one full Cambridge IGCSE examination question on the conditio
Teach me (Cambridge style): The formula for the sum to infinity
I am a Year 11 pupil following the Cambridge syllabus. Teach me the formula for the sum to
Explain Back: Reading a sum written in sigma notation (IGCSE/WAEC Revision)
I am in SS 2. Let me explain reading a sum written in sigma notation back to you in my own
IGCSE-style question: Reading the limits written on a sigma
I am a Year 11 pupil. Set me one full Cambridge IGCSE examination question on reading the
Worked Example: Completing the square step by step (Show That / Hence Find)
I am in SS 2. I am revising for both my Cambridge IGCSE and my WAEC Mathematics papers. Wa
Explain Back: Deciding which quadratic method a question is steering you towards (IGCSE/WAEC Revision)
I am in SS 2. Let me explain deciding which quadratic method a question is steering you to
Worked Example: Substituting the linear equation into the quadratic (Show That / Hence Find)
I am in SS 2. I am revising for both my Cambridge IGCSE and my WAEC Mathematics papers. Wa
Spot My Mistake: Adding two algebraic fractions with different denominators (IGCSE Marking)
I am in SS 2. I am revising for both my Cambridge IGCSE and my WAEC Mathematics papers. Sh
Worked Example: Subtracting one algebraic fraction from another (Show That / Hence Find)
I am in SS 2. I am revising for both my Cambridge IGCSE and my WAEC Mathematics papers. Wa
Explain Back: Multiplying two algebraic fractions (IGCSE/WAEC Revision)
I am in SS 2. Let me explain multiplying two algebraic fractions back to you in my own wor
Real-World Word Problem: Solving a quadratic inequality by factorising (Exam Style)
I am in SS 2. Give me a real-world word problem on solving a quadratic inequality by facto
Teach me (Cambridge style): Choosing the region inside or outside the roots
I am a Year 11 pupil following the Cambridge syllabus. Teach me choosing the region inside
Worked Example: Finding an angle with the sine rule (Show That / Hence Find)
I am in SS 2. I am revising for both my Cambridge IGCSE and my WAEC Mathematics papers. Wa
Worked Example: Finding a side with the cosine rule (Show That / Hence Find)
I am in SS 2. I am revising for both my Cambridge IGCSE and my WAEC Mathematics papers. Wa
Worked Example: The angle a sloping edge makes with the base of a solid (Show That / Hence Find)
I am in SS 2. I am revising for both my Cambridge IGCSE and my WAEC Mathematics papers. Wa
IGCSE-style question: Finding the right-angled triangle inside a solid
I am a Year 11 pupil. Set me one full Cambridge IGCSE examination question on finding the