Quadratic function

Definition

A function whose expression has highest power $x^2$ , usually written $y=ax^2+bx+c$ where . Its graph is a parabola.

Specification A11, A12 · Paper 1, Paper 2, Paper 3

Revise: Quadratic Graph Properties
A function whose highest power of the variable is 2, usually written in the form $y=ax^2+bx+c$ , where .

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2

+

bx+

c

a\ne0

Used by AQA, Edexcel and OCR

2

+

bx+

c

a\ne0

Specification A11, A12 · Paper 1, Paper 2, Paper 3

A function whose highest power of the variable is 2, usually written $f(x)=ax^2+bx+c$ where $a\ne0$ .
Revise: Quadratic Functions
A function whose highest power of $x$ is $2$ ; its graph is a parabola.
Revise: Linear, Quadratic and Cubic Graphs

Specification 7.01b · Paper 1 (Foundation), Paper 2 (Foundation), Paper 3 (Foundation), Paper 4 (Higher), Paper 5 (Higher), Paper 6 (Higher)

A polynomial function whose highest power of $x$ is 2; its graph is a parabola.
Revise: Plotting Graphs