883 prompts matching "Proving that a quadratic expression is positive for every real x"
Showing only prompts that state their year. 35 more in this subject don't name one, so choose All years to see them.
IGCSE Additional Maths Y11: Why the constant of integration disappears — Common Mistakes
I am a Year 11 pupil taking Cambridge IGCSE Additional Mathematics. Show me the mistake ca
IGCSE Additional Maths Y11: The area between two curves that cross more than once — Explain It Back
I am in SS 2. I have just studied the area between two curves that cross more than once fo
IGCSE Additional Maths Y11: The volume of revolution about the x-axis — Common Mistakes
I am a Year 11 pupil taking Cambridge IGCSE Additional Mathematics. Show me the mistake ca
IGCSE Additional Maths Y11: Displacement, velocity and acceleration as functions of time — Teach Me
I am a Year 11 pupil taking Cambridge IGCSE Additional Mathematics. Teach me displacement,
IGCSE Additional Maths Y11: Integrating velocity to get displacement — Explain It Back
I am in SS 2. I have just studied integrating velocity to get displacement for Cambridge I
IGCSE Additional Maths Y11: The instant at which a particle is momentarily at rest — Spot My Mistake
I am a Year 11 pupil taking Cambridge IGCSE Additional Mathematics. Work a question on the
IGCSE Additional Maths Y11: Distance travelled as distinct from displacement — Show All Working
I am a Year 11 pupil taking Cambridge IGCSE Additional Mathematics. Set me a question on d
IGCSE Additional Maths Y11: The direction of motion changing sign — Common Mistakes
I am a Year 11 pupil taking Cambridge IGCSE Additional Mathematics. Show me the mistake ca
IGCSE Additional Maths Y11: Reading the command word before starting a question — Teach Me
I am a Year 11 pupil taking Cambridge IGCSE Additional Mathematics. Teach me reading the c
IGCSE Additional Maths Y11: What to do when a question cannot be started — Common Mistakes
I am a Year 11 pupil taking Cambridge IGCSE Additional Mathematics. Show me the mistake ca
Spot my mistake in factorising x^2+5x+6
Act as my SS2 Further Maths tutor. I tried to factorise x^2 + 5x + 6 as (x+1)(x+6) but I'm
Spot my mistake solving x^2-3x-10=0
Act as my SS2 Further Maths tutor. I solved x^2-3x-10=0 and got x=2 or x=-5. Check my work
Spot my mistake completing the square
Act as my SS2 Further Maths tutor. I tried to complete the square for x^2+6x+5=0 but I thi
Spot my mistake with sum and product of roots
Act as my SS2 Further Maths tutor. I calculated the sum and product of the roots of 2x^2-5
Quiz me on checking both pairs of solutions of a linear-quadratic pair
Act as my SS2 Further Maths tutor. Quiz me with three pairs of simultaneous equations, eac
Worked example: is this line tangent to this curve
Act as my SS2 Further Maths tutor. Show me a full worked example of substituting a line's
Spot my mistake adding polynomials
Act as my SS2 Further Maths tutor. I added two polynomials together but I think I mismatch
Teach me long division of polynomials
Act as my SS2 Further Maths tutor. Teach me how to divide a polynomial by a polynomial of
Give me practice on polynomial long division
Act as my SS2 Further Maths tutor. Give me six practice questions on dividing polynomials
Spot my mistake in polynomial long division
Act as my SS2 Further Maths tutor. I divided a cubic polynomial by a linear one using long