1,324 prompts matching "Why does completing the square work"
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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
Explain back: why we check the domain in logarithmic equations
I am in SS 3. Let me explain in my own words why we must check that x satisfies the domain
Worked Example: The associative law for the product of three matrices
Act as my SS3 Further Mathematics tutor. Take me through one full worked example on the as
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
WAEC Prep: The identity matrix, and what it does in a product
Act as my WAEC Further Mathematics coach. I am in SS 3. Set me an exam-standard question o
WAEC Prep: Stating the order of a product before working it out
Act as my WAEC Further Mathematics coach. I am in SS 3. Take me through stating the order
Worked Example: Evaluating a 3 by 3 determinant by the rule of Sarrus
Act as my SS3 Further Mathematics tutor. Take me through one full worked example on evalua
Worked Example: Forming the determinant Dy by replacing the second column
Act as my SS3 Further Mathematics tutor. Take me through one full worked example on formin
WAEC Prep: Why the cofactor signs alternate
Act as my WAEC Further Mathematics coach. I am in SS 3. Take me through why the cofactor s
Worked Example: The identity that A times its adjoint gives the determinant times the identity
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WAEC Prep: When the matrix method is worth the work for three unknowns
Act as my WAEC Further Mathematics coach. I am in SS 3. Take me through when the matrix me
Worked Example: Checking the solution of three equations by substitution
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Worked Example: The units of mass, and the SI unit
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Quiz: Why mass stays the same wherever the body is taken
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Worked Example: The weight of a body as mass times g
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Worked Example: The direction of the resultant of two forces
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WAEC Prep: Why one component vanishes when the direction is chosen well
Act as my WAEC Further Mathematics coach. I am in SS 3. Take me through why one component
Worked Example: Marking the weight, the normal reaction and the friction on a diagram
Act as my SS3 Further Mathematics tutor. Take me through one full worked example on markin
Worked Example: Using the sine rule on the triangle of forces
Act as my SS3 Further Mathematics tutor. Take me through one full worked example on using
Explain Back: Why the total moment about any point must be nought
I have just studied why the total moment about any point must be nought in my SS3 Further