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Icon for www.bbc.co.ukBBC · Sep 6, 2021

Algebra and function machines

For example: INPUT: 3 FUNCTION: + 3 OUTPUT: = 6. Function machines can also be used to help us find solutions to problems where the input or function are unknown. By following the same steps ...
Icon for www.bbc.co.ukBBC · Apr 1, 2025

Higher – Functions

A function takes an input value, applies a rule to it, and produces an output value. This can be demonstrated using a function machine ... which in this example is 3𝑥 – 1.
Icon for www.bbc.co.ukBBC · Nov 30, 2021

Solving linear equations - Edexcel

A function machine is a way of writing rules using a flow diagram. The equation \(3j - 6 = 9\) can be shown on a function machine by writing out the functions that have been applied to \(j\) in ...
Icon for www.bbc.co.ukBBC · Jul 26, 2020

Solving linear equations - Eduqas

A function machine is a way of writing rules using a flow diagram. The equation \(3j - 6 = 9\) can be shown on a function machine by writing out the functions that have been applied to \(j\) in ...
Icon for www.bbc.co.ukBBC · Jul 26, 2020

Solving linear equations - OCR

A function machine is a way of writing rules using a flow diagram. The equation \(3h - 6 = 9\) can be shown on a function machine by writing out the functions that have been applied to \(h\) in ...
Icon for www.bbc.co.ukBBC · Jul 26, 2020

Identifying features of a quadratic function

The graph below has a turning point (3, -2). Write down the nature of the turning point and the equation of the axis of symmetry. For the parabola \(y=(x+6)(x-4)\) determine the coordinates and ...
Icon for www.bbc.co.ukBBC · Apr 1, 2025

Higher – Functions

Save guides, add subjects and pick up where you left off with your BBC account ... This can be demonstrated using a function machine. The function, multiply by 3 and then subtract 1, can be ...