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1.6 Exponentials and logarithms

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Question 14

Two variables $x\,$ and $y\,$ are related by the formula $y = ax^b$ where $a\,$ and $b\,$ are constants.

Show that this relationship can be written in the form $log⁡y=log⁡a+blog⁡x\log y = \log a + b \log x$

[3]

Markscheme

1.6 Exponentials and logarithms Questions

A Level
Maths
1.6 Exponentials and logarithms

104 exam-style questions on WJEC A Level Maths 1.6 Exponentials and logarithms, covering 1.6.1 Exponentials and logarithms, 1.6.2 Exponentials and logarithms, 1.6.3 Exponentials and logarithms, 1.6.4 Exponentials and logarithms, 1.6.5 Exponentials and logarithms, 1.6.6 Exponentials and logarithms, 1.6.7 Exponentials and logarithms, 1.6.8 Exponentials and logarithms, and 1.6.9 Exponentials and logarithms. Each one has a worked solution and a mark scheme showing where the marks go.

1.6 Exponentials and logarithms

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1.6 Exponentials and logarithms

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Question 14

Two variables $x\,$ and $y\,$ are related by the formula $y = ax^b$ where $a\,$ and $b\,$ are constants.

Show that this relationship can be written in the form $log⁡y=log⁡a+blog⁡x\log y = \log a + b \log x$

[3]

Markscheme

1.6 Exponentials and logarithms Questions

A Level
Maths
1.6 Exponentials and logarithms