Shapes of graphs (OCR GCSE Maths): Flashcards

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Shapes of Graphs
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Graph shape: positive xx term

Straight line sloping upwards

Graph shape: negative xx term

Straight line sloping downwards

Graph shape: positive x2x^2 term

U-shaped parabola opening upwards

Graph shape: negative x2x^2 term

Inverted U parabola opening downwards

Graph shape: positive x3x^3 term

S-shaped cubic curve

Graph shape: negative x3x^3 term

Inverted S-shaped cubic curve

Quadrants: positive reciprocal 1x\frac{1}{x}

First and third

Quadrants: negative reciprocal 1x-\frac{1}{x}

Second and fourth

Asymptotes in reciprocal graphs

xx-axis and yy-axis (never touched)

Gradient of positive xx linear graph

Positive

Gradient of negative xx linear graph

Negative

yy behavior in positive x2x^2 as xx moves away from 0

yy increases

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