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Introductory exercise about set equality

This question asks learners to use row operations to find the inverse of a 3x3 matrix.

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Determining technical technical uncertainty of the output of a voltage divider, when resistor tolerances are known.

check if students know the calendar and basics about fruits

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Adding and subtracting surds. Parts b) and c) involve simplification of surds.

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.

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.

Horizontal and vertical shifts and scales of a random cubic spline

Horizontal and vertical shifts and scales of a random cubic spline

Horizontal and vertical shifts and scales of a random cubic spline

Horizontal and vertical shifts and scales of a random cubic spline

Horizontal and vertical shifts and scales of a random cubic spline

Horizontal and vertical shifts and scales of a random cubic spline

Horizontal and vertical shifts and scales of a random cubic spline

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5 questions on  confidence intervals and hypothesis testing. Population variance given, z-test. Not given, t-test.

Basic circuit analysis questions