1,324 prompts matching "Why does completing the square work"
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WAEC Prep: The remainder when a polynomial is divided by a quadratic
Act as my WAEC Further Mathematics coach. I am in SS 3. Take me through the remainder when
WAEC Prep: A polynomial leaving the same remainder for two different divisors
Act as my WAEC Further Mathematics coach. I am in SS 3. Take me through a polynomial leavi
Quiz: The remainder theorem, and the remainder on dividing by x minus a
Act as my SS3 Further Mathematics tutor and quiz me on the remainder theorem, and the rema
WAEC Prep: The mean of a frequency distribution
Act as my WAEC Further Mathematics coach. I am in SS 3. Take me through the mean of a freq
WAEC Prep: The effect of one extra value on the mean
Act as my WAEC Further Mathematics coach. I am in SS 3. Take me through the effect of one
WAEC Prep: The mean of a set of ungrouped data
Act as my WAEC Further Mathematics coach. I am in SS 3. Set me an exam-standard question o
Quiz: The modal class of a grouped frequency distribution
Act as my SS3 Further Mathematics tutor and quiz me on the modal class of a grouped freque
WAEC Prep: The scatter diagram, and what it shows about correlation
Act as my WAEC Further Mathematics coach. I am in SS 3. Set me an exam-standard question o
Explain Back: The line of best fit, and the regression line
I have just studied the line of best fit, and the regression line in my SS3 Further Mathem
Find the transpose of a 3x3 matrix
I am in SS 3. Give me a 3x3 matrix and ask me to write down its transpose by swapping rows
Explain the identity matrix
Explain what the identity matrix I is and show, with a 3x3 numerical example, that AI = IA
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
Explain the rule of signs for determinants
Explain the checkerboard pattern of positive and negative signs used when expanding a 3x3
Quiz me on 2x2 and 3x3 determinants together
Quiz me with two questions, one 2x2 determinant and one 3x3 determinant, mark both, and te
Find the inverse of a 2x2 matrix #1
Give me a 2x2 matrix like A=[[2,3],[1,4]] and ask me to find its inverse using the determi
Find the inverse of a 2x2 matrix #2
I am in SS 3. Give me a 2x2 matrix like A=[[5,-2],[3,1]] and ask me to find its inverse us
Find the inverse of a 2x2 matrix #5
Give me a 2x2 matrix like A=[[3,2],[5,4]] and ask me to find its inverse using the determi
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 #1
Show me how to solve the system x+y+z=6, 2x-y+z=3, x+2y-z=2 by writing it as AX=B, finding
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