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Choose which of 5 matrices are in a) row echelon form but not reduced b) reduced row echelon form c) neither.

Calculating gradients

This question asks a student to draw a straight line graph by dragging points.

This question asks a student to draw a straight line graph by dragging points.

This question asks a student to draw a straight line graph by dragging points.

This question asks a student to draw a straight line graph by dragging points.

Given the graph of the line determine the equation of the line.

Finding x and y values for straight line graphs

Identifying the intercept from a y=mx+c equation

Calculating gradients

Finding x and y values for straight line graphs

Completing a table of x and y values from a straight line graph equation.

Identifying the gradient from a straight-line graph equation y=mx+c

Looking at gradients and values for x and y for straight-line graphs

Identifying straight-line equations, and correlations.

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Power rule

Evaluating a function

Differentiation of  polynomials, cos, sin, exp, log functions. Product, quotient and chain rules.

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Critical points, absolute minimum, local maximum and minimum points, increasing and decreasing, concavity

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A question to test integration by parts in a "pre-Fourier series" setting.

Resolver ecuaciones de primer grado con dos variables

Simple Percentages

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Finding the cost including VAT

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Solving a system of three linear equations in 3 unknowns using Gauss Elimination in 4 stages. Solutions are all integral.