869 prompts matching "WAEC past questions: Why casting out nines catches some errors and not others"
Explain back: The distance from the origin to a line
I have just studied the distance from the origin to a line in my SS2 Mathematics class. Le
Explain back: The intersection of three sets
I have just studied the intersection of three sets in my SS2 Mathematics class. Let me exp
Explain back: The union of three sets
I have just studied the union of three sets in my SS2 Mathematics class. Let me explain it
Explain back: A curve that touches the axis and so has a repeated root
I have just studied a curve that touches the axis and so has a repeated root in my SS2 Mat
Explain back: Finding an expression for fg of x
I have just studied finding an expression for fg of x in my SS2 Mathematics class. Let me
Explain back: A negative gradient read as deceleration
I have just studied a negative gradient read as deceleration in my SS2 Mathematics class.
Explain back: The bounds of a quotient
I have just studied the bounds of a quotient in my SS2 Mathematics class. Let me explain i
IGCSE quiz: A linear graph from a described Nigerian charge
I am a Year 11 pupil sitting Cambridge IGCSE. Set me a rapid quiz on a linear graph from a
IGCSE quiz: Sketching from the completed-square form
I am a Year 11 pupil sitting Cambridge IGCSE. Set me a rapid quiz on sketching from the co
IGCSE quiz: How many roots a cubic can have
I am a Year 11 pupil sitting Cambridge IGCSE. Set me a rapid quiz on how many roots a cubi
IGCSE quiz: Reading a value off a reciprocal curve
I am a Year 11 pupil sitting Cambridge IGCSE. Set me a rapid quiz on reading a value off a
IGCSE quiz: An exponential curve sketched against a straight line
I am a Year 11 pupil sitting Cambridge IGCSE. Set me a rapid quiz on an exponential curve
IGCSE quiz: Checking that the points do lie in a straight line
I am a Year 11 pupil sitting Cambridge IGCSE. Set me a rapid quiz on checking that the poi
IGCSE quiz: Spotting a table error from the symmetry of the values
I am a Year 11 pupil sitting Cambridge IGCSE. Set me a rapid quiz on spotting a table erro
IGCSE quiz: Checking a graphical root algebraically
I am a Year 11 pupil sitting Cambridge IGCSE. Set me a rapid quiz on checking a graphical
IGCSE quiz: Exponential decay in a described Nigerian depreciation
I am a Year 11 pupil sitting Cambridge IGCSE. Set me a rapid quiz on exponential decay in
IGCSE quiz: Combining a strict inequality with a non-strict one
I am a Year 11 pupil sitting Cambridge IGCSE. Set me a rapid quiz on combining a strict in
IGCSE quiz: Shading the region satisfying several inequalities at once
I am a Year 11 pupil sitting Cambridge IGCSE. Set me a rapid quiz on shading the region sa
IGCSE quiz: Listing all the inequalities that define a triangular region
I am a Year 11 pupil sitting Cambridge IGCSE. Set me a rapid quiz on listing all the inequ
IGCSE quiz: The perimeter of a semicircle
I am a Year 11 pupil sitting Cambridge IGCSE. Set me a rapid quiz on the perimeter of a se