An explore mode activity containing a lot of questions, for students to check their understanding of the information in the "Getting Started" material.

Note: This question was written for students accessing Numbas exams through the Numbas LTI tool. Some of the information does not apply to exams accessed standalone or through a generic SCORM player.

This question gives information for students on how to answer number entry parts, with some opportunities to try submitting answers.

Testing the understanding of the formal definition of $A\subseteq B$.

Demonstrates how to create variables containing LaTeX commands, and how to use them in the question text.

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Shows how the "decimal" data type can represent very small numbers with more precision than the default "number" data type.

Differentiate $f(x) = ax^m$.

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Create a truth table for a logical expression of the form $a \operatorname{op} b$ where $a, \;b$ can be the Boolean variables $p,\;q,\;\neg p,\;\neg q$ and $\operatorname{op}$ one of $\lor,\;\land,\;\to$.

For example $\neg q \to \neg p$.

Evaluate a limit (x-a)/(x^2+(a+b)x+ab)

Factorise three quadratic equations of the form $x^2+bx+c$.

The first has two negative roots, the second has one negative and one positive, and the third is the difference of two squares.

Solve simple two step linear equations with feedback.

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Factorise a quadratic equation where the coefficient of the $x^2$ term is greater than 1 and then write down the roots of the equation

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Factorise a quadratic equation where the coefficient of the $x^2$ term is greater than 1 and then write down the roots of the equation