1,324 prompts matching "Why does completing the square work"
Showing only prompts that state their year. 35 more in this subject don't name one, so choose All years to see them.
WAEC past-question practice: mechanics #2
I am in SS 3. Set me a WAEC-style projectile motion question exactly the way past papers p
Explain-back: my understanding of Cramer's rule
I am in SS 3. Let me explain how Cramer's rule works in my own words for a 2x2 system, the
Explain-back: complex conjugates
I am in SS 3. Let me explain what a complex conjugate is and why we multiply by it when di
Spot my mistake in a Cramer's rule solution
I am in SS 3. I solved a pair of simultaneous equations using Cramer's rule but I'm not su
Spot my mistake finding a resultant force
I am in SS 3. I found the resultant of two forces using the cosine rule but I think I used
Spot my mistake integrating a polynomial
I am in SS 3. I integrated a polynomial but I think I forgot the constant of integration o
Spot my mistake finding a vector cross product
I am in SS 3. I calculated the cross product of two 3D vectors but I'm not confident about
Quiz me: matrices, determinants and inverses mixed
I am in SS 3. Quiz me with three short questions, one on matrix multiplication, one on a d
Teach me Cramer's rule from first principles
I am in SS 3. Teach me Cramer's rule as if I've never seen it before, starting from why de
Learn: Reading a binary operation defined by a formula such as a*b = a + b - ab
You are my personal SS3 Further Mathematics tutor. Teach me reading a binary operation def
Practice: Testing a binary operation for associativity
Act as my SS3 Further Mathematics tutor. Give me five practice questions on testing a bina
Spot My Mistake: Squaring a bracket that contains a surd
Act as my SS3 Further Mathematics tutor. Work a question on squaring a bracket that contai
Practice: Converting between index form and logarithm form
Act as my SS3 Further Mathematics tutor. Give me five practice questions on converting bet
Practice: Factorising a cubic completely once one factor is known
Act as my SS3 Further Mathematics tutor. Give me five practice questions on factorising a
Spot My Mistake: Arrangements in which two particular objects must be kept apart
Act as my SS3 Further Mathematics tutor. Work a question on arrangements in which two part
Practice: Choosing a committee that must contain one particular person
Act as my SS3 Further Mathematics tutor. Give me five practice questions on choosing a com
Learn: Solving sin x equals a given value between 0 and 360 degrees
You are my personal SS3 Further Mathematics tutor. Teach me solving sin x equals a given v
Spot My Mistake: Solving an equation by first applying a Pythagorean identity
Act as my SS3 Further Mathematics tutor. Work a question on solving an equation by first a
Practice: A uniform beam resting on two supports
Act as my SS3 Further Mathematics tutor. Give me five practice questions on a uniform beam
Spot My Mistake: An aeroplane in a cross-wind, and its resultant track
Act as my SS3 Further Mathematics tutor. Work a question on an aeroplane in a cross-wind,