753 prompts matching "Practice: Substituting a, b and c into the quadratic formula"
Teach me: The determinant of a 2 by 2 matrix
You are my personal SS3 Mathematics tutor. Teach me the determinant of a 2 by 2 matrix, wo
Quiz me: Calculating a determinant from the four entries
Act as my SS3 Mathematics tutor and quiz me on calculating a determinant from the four ent
Spot my mistake: Forgetting to swap the leading diagonal when inverting
Act as my SS3 Mathematics tutor. Work a question on forgetting to swap the leading diagona
Exam timing: A timed set of determinant and inverse questions
Act as my SS3 Mathematics tutor. Set me a timed run of questions on a timed set of determi
Spot my mistake: Multiplying by the inverse on the wrong side
Act as my SS3 Mathematics tutor. Work a question on multiplying by the inverse on the wron
WAEC pitfalls: Writing the coefficients out of order in the matrix
Act as my SS3 Mathematics tutor. Show me the mistake candidates most often make on writing
Spot my mistake: Plotting a point from the wrong row of the table
Act as my SS3 Mathematics tutor. Work a question on plotting a point from the wrong row of
Worked example: Sketching a quadratic from its factorised form
Act as my SS3 Mathematics tutor. Take me through one full worked example on sketching a qu
WAEC pitfalls: Joining the plotted points of a curve with straight lines
Act as my SS3 Mathematics tutor. Show me the mistake candidates most often make on joining
Spot my mistake: Reading the intersection off the wrong axis
Act as my SS3 Mathematics tutor. Work a question on reading the intersection off the wrong
Worked example: Solving a quadratic graphically by adding a straight line
Act as my SS3 Mathematics tutor. Take me through one full worked example on solving a quad
WAEC pitfalls: Giving a graphical answer to more accuracy than the scale allows
Act as my SS3 Mathematics tutor. Show me the mistake candidates most often make on giving
Spot my mistake: Shading the wrong side of a boundary line
Act as my SS3 Mathematics tutor. Work a question on shading the wrong side of a boundary l
WAEC pitfalls: Ignoring the non-negativity constraints
Act as my SS3 Mathematics tutor. Show me the mistake candidates most often make on ignorin
Spot my mistake: Plotting cumulative frequency at the class midpoint
Act as my SS3 Mathematics tutor. Work a question on plotting cumulative frequency at the c
Word problem: Reading the number above a threshold from an ogive
Act as my SS3 Mathematics tutor. Give me three word problems on reading the number above a
WAEC pitfalls: Reading the quartiles off the wrong axis
Act as my SS3 Mathematics tutor. Show me the mistake candidates most often make on reading
Teach me: Mean deviation, and what it measures
You are my personal SS3 Mathematics tutor. Teach me mean deviation, and what it measures,
Quiz me: Calculating the mean before finding the deviations
Act as my SS3 Mathematics tutor and quiz me on calculating the mean before finding the dev
Spot my mistake: Letting positive and negative deviations cancel
Act as my SS3 Mathematics tutor. Work a question on letting positive and negative deviatio