647 prompts matching "IGCSE-style question: Solving a linear inequality with brackets"
WAEC pitfalls: Assuming a negative scale factor simply shrinks a shape
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Practice set: The effect of an enlargement on area
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Explain back: When two matrices can be multiplied at all
I have just studied when two matrices can be multiplied at all in my SS3 Mathematics class
Worked example: Multiplying a 2 by 3 matrix by a 3 by 2 matrix
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WAEC pitfalls: Assuming matrix multiplication is commutative
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Practice set: Multiplying a matrix by a scalar
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Exam timing: A timed set of matrix operations
Act as my SS3 Mathematics tutor. Set me a timed run of questions on a timed set of matrix
Explain back: The inverse of a 2 by 2 matrix and the formula for it
I have just studied the inverse of a 2 by 2 matrix and the formula for it in my SS3 Mathem
Worked example: Verifying an inverse by multiplying back to the identity
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WAEC pitfalls: Dividing by a determinant of zero
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Practice set: Finding the inverse of a given 2 by 2 matrix
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WAEC pitfalls: Writing the coefficients out of order in the matrix
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Practice set: Cramer's rule as an alternative method
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Exam timing: A timed set of matrix-method simultaneous equations
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Explain back: The line of symmetry and the turning point
I have just studied the line of symmetry and the turning point in my SS3 Mathematics class
Worked example: Sketching a quadratic from its factorised form
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Practice set: Finding the roots from where the curve cuts the x-axis
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Explain back: Rearranging an equation so it can be solved from a drawn curve
I have just studied rearranging an equation so it can be solved from a drawn curve in my S
WAEC pitfalls: Giving a graphical answer to more accuracy than the scale allows
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Explain back: Shading the feasible region on a graph
I have just studied shading the feasible region on a graph in my SS3 Mathematics class. Le