590 prompts matching "Deciding whether two given surds are equal without a calculator"
Showing only prompts that state their year. 35 more in this subject don't name one, so choose All years to see them.
Structured question: quadratic formula question with a negative discriminant
I am in SS 3. Give me a quadratic formula question where the discriminant turns out negati
WAEC exam question: polynomial division real-world framing
I am in SS 3. Give me a WAEC-style Further Maths question that frames polynomial long divi
Non-calculator paper: exact value question on sum and product of roots
I am in SS 3. Give me a non-calculator sum and product of roots question where the final a
Quiz me on choosing the correct method for a quadratic
I am in SS 3. Quiz me by giving me five different quadratic equations and asking me, befor
Spot My Mistake: Why matrix subtraction is not commutative
Act as my SS3 Further Mathematics tutor. Work a question on why matrix subtraction is not
Spot My Mistake: Squaring a 2 by 2 matrix
Act as my SS3 Further Mathematics tutor. Work a question on squaring a 2 by 2 matrix with
Explain Back: Keeping track of the nine entries when multiplying 3 by 3 matrices
I have just studied keeping track of the nine entries when multiplying 3 by 3 matrices in
Spot My Mistake: Multiplying a 3 by 3 matrix by a 3 by 1 column
Act as my SS3 Further Mathematics tutor. Work a question on multiplying a 3 by 3 matrix by
Learn: The distributive law for a scalar over a sum of matrices
You are my personal SS3 Further Mathematics tutor. Teach me the distributive law for a sca
Explain Back: Why the order of the letters matters in a matrix product
I have just studied why the order of the letters matters in a matrix product in my SS3 Fur
Spot My Mistake: Orders that make a product possible one way round but not the other
Act as my SS3 Further Mathematics tutor. Work a question on orders that make a product pos
Explain Back: The rule that the transpose of a product reverses the order
I have just studied the rule that the transpose of a product reverses the order in my SS3
Explain Back: Solving a matrix equation containing both a sum and a product
I have just studied solving a matrix equation containing both a sum and a product in my SS
Explain Back: The determinant of a product as the product of the determinants
I have just studied the determinant of a product as the product of the determinants in my
Spot My Mistake: Forming the determinant Dx by replacing the first column
Act as my SS3 Further Mathematics tutor. Work a question on forming the determinant Dx by
Explain Back: What a coefficient determinant of nought says about the system
I have just studied what a coefficient determinant of nought says about the system in my S
Spot My Mistake: Checking a Cramer's rule solution by substituting back
Act as my SS3 Further Mathematics tutor. Work a question on checking a Cramer's rule solut
Explain Back: Writing out the full matrix of cofactors
I have just studied writing out the full matrix of cofactors in my SS3 Further Mathematics
Spot My Mistake: Checking cofactors by expanding the determinant along a second row
Act as my SS3 Further Mathematics tutor. Work a question on checking cofactors by expandin
Explain Back: Finding the adjoint of a 2 by 2 matrix quickly
I have just studied finding the adjoint of a 2 by 2 matrix quickly in my SS3 Further Mathe