Recently published items

Derivatives from first principles, quadratic

Question by Emil Kostadinov

Derivatives from first principles, quadratic

Published on 14/07/2023 14:39 CC BY
HELM Book 1.2.6 exercises

Exam (2 questions) by Merryn Horrocks

HELM Book 1.2.6 exercises

Published on 08/07/2023 06:54 CC BY-NC-SA
1.2.6 Task: Write numbers in scientific notation

Question by Merryn Horrocks

Write a large number and a small number in scientific notation. (Numbers contain 5 digits). Indices range from -7 to +7, excluding 0 and 1

Part of HELM Book 1.2

Published on 08/07/2023 06:45 CC BY-NC-SA
HELM Book 1.2.5 exercises

Exam (3 questions) by Merryn Horrocks

HELM Book 1.2.5 exercises

Published on 08/07/2023 06:27 CC BY-NC-SA
1.2.5 Task: Simplify Fractional Indices

Question by Merryn Horrocks

Part of HELM Book 1.2

Published on 08/07/2023 06:17 CC BY-NC-SA
HELM Book 1.2.4 exercises

Exam (3 questions) by Merryn Horrocks

HELM Book 1.2.4 exercises

Published on 08/07/2023 05:57 CC BY-NC-SA
1.2.4 Task: Simplify an expression using only positive indices

Question by Merryn Horrocks

Write an expression (a^k1*a^k2)/a^k3 using a single positive index. Variable a is randomised and can be a number or a letter. k1,k2 and k3 are randomised positive numbers.

Part of HELM Book 1.2

Published on 08/07/2023 05:46 CC BY-NC-SA
1.2.4 Task: Rewrite an expression using a positive index

Question by Merryn Horrocks

Given an expression (either a^-k or 1/a^-k) with a negative index, rewrite it with a positive index.

The variable a and the index k are randomised.

Part of HELM Book 1.2

Published on 08/07/2023 05:41 CC BY-NC-SA
1.2.3 Task: Is this a polynomial?

Question by Merryn Horrocks

Identify whether or not an expression is a polynomial. Part of HELM Book 1.2

Published on 08/07/2023 04:21 CC BY-NC-SA
HELM Book 1.2.3 exercises

Exam (3 questions) by Merryn Horrocks

HELM Book 1.2.3 exercises

Published on 08/07/2023 03:49 CC BY-NC-SA