1,323 prompts matching "Why completing the square always works"
Showing only prompts that state their year. 35 more in this subject don't name one, so choose All years to see them.
Show All Working: Solving a quadratic by completing the square
Act as my WAEC Further Mathematics examiner. I am in SS 3. Set me a question on solving a
Give me an exam formula sheet for completing the square
I am in SS 3. Build me a short formula sheet covering every formula I need for completing
Give me a past-paper style question bank for completing the square
I am in SS 3. Give me a bank of four exam-style questions on completing the square, rangin
WAEC Prep: Why the square root of a negative number needs i
Act as my WAEC Further Mathematics coach. I am in SS 3. Take me through why the square roo
WAEC Prep: The imaginary unit i, and why i squared is minus one
Act as my WAEC Further Mathematics coach. I am in SS 3. Set me an exam-standard question o
Worked Example: The identities for one plus tan squared and one plus cot squared
Act as my SS3 Further Mathematics tutor. Take me through one full worked example on the id
Show All Working: The rectangular hyperbola xy equals c squared
Act as my WAEC Further Mathematics examiner. I am in SS 3. Set me a question on the rectan
Learn: Why two matrices can be added only when their orders match
You are my personal SS3 Further Mathematics tutor. Teach me why two matrices can be added only when their orders match, working in clear steps and saying what the notation means as you use it. Check I have followed each step before moving on, and finish with one short question for me to try.
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Worked Example: A singular matrix, and why it has no inverse
Act as my SS3 Further Mathematics tutor. Take me through one full worked example on a sing
Spot My Mistake: Why the inverse must be applied on the correct side
Act as my SS3 Further Mathematics tutor. Work a question on why the inverse must be applie
Practice: Why the forces must sum to nought in two perpendicular directions
Act as my SS3 Further Mathematics tutor. Give me five practice questions on why the forces
Spot My Mistake: Why friction does not depend on the area of contact
Act as my SS3 Further Mathematics tutor. Work a question on why friction does not depend o
Spot My Mistake: Why the probabilities in a distribution must sum to one
Act as my SS3 Further Mathematics tutor. Work a question on why the probabilities in a dis
Learn: Simplifying a surd by extracting the largest perfect square
You are my personal SS3 Further Mathematics tutor. Teach me simplifying a surd by extracti
Learn: Finding alpha squared plus beta squared from the sum and product
You are my personal SS3 Further Mathematics tutor. Teach me finding alpha squared plus bet
Learn: The Pythagorean identity, sin squared plus cos squared equals one
You are my personal SS3 Further Mathematics tutor. Teach me the Pythagorean identity, sin
Learn: The parabola y squared equals 4ax, with its focus and directrix
You are my personal SS3 Further Mathematics tutor. Teach me the parabola y squared equals
Learn: The range, and why it is a weak measure of spread
You are my personal SS3 Further Mathematics tutor. Teach me the range, and why it is a wea
Worked example: solve the simultaneous system y = 2x - 1 and y = x^2 - 4
I am in SS 3. Show me a full worked example solving the linear-quadratic system y=2x-1 and
Worked example: find where the tangent to y = x^3 crosses the x-axis
I am in SS 3. Show me a full worked example finding the equation of the tangent to y=x^3 a