1,324 prompts matching "Structured question: complete the square then find the minimum"
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Worked Example: Finding a value from a given probability by working backwards
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Practice: Equating real and imaginary parts to find two unknowns
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Practice: Differentiating x squared from first principles
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WAEC Prep: Finding velocity by integrating acceleration
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WAEC Prep: Substituting a convenient value to find one constant
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Explain the zero matrix in matrix algebra
I am in SS 3. Explain the zero matrix and its effect in addition, using a 2x2 example to s
Show all working: adding three matrices in one question
Give me a Cambridge Additional-Mathematics style question that asks me to find A + B - 2C
Explain the adjoint of a matrix
Explain what the adjoint of a matrix is and how it relates to the matrix of cofactors, usi
Solve a 3x3 system using the inverse matrix method #2
I am in SS 3. Show me how to solve the system 2x+y-z=5, x-y+2z=1, 3x+2y+z=10 by writing it
WAEC past-question practice: inverse matrices #1
I am in SS 3. Give me a WAEC Further Mathematics past-question on finding the inverse of a
Explain the triangle of forces method
Explain how the triangle of forces method finds a resultant, and compare it with the paral
WAEC past-question practice: complex numbers #2
I am in SS 3. Set me a WAEC-style question on finding the modulus and argument of a comple
Final revision: my three hardest Further Maths topics
Ask me which three SS3 Further Mathematics topics I find hardest, then set me one focused
Worked Example: Finding one over alpha plus one over beta
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Spot My Mistake: Forming an equation whose roots are alpha squared and beta squared
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Practice: Factorising a cubic completely once one factor is known
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WAEC Prep: Finding a coefficient of a cubic given one of its roots
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Worked Example: Solving cos x equals a negative value, and finding both solutions
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The vertical line test
I am in SS 3. I attempted an Additional Maths question on the vertical line test for decid
Restricting the domain so an inverse exists
I am in SS 3. Teach me restricting the domain of a many-to-one function, such as f(x) = x^