Using quadratic graphs (Edexcel GCSE Maths): Flashcards

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Using quadratic graphs
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Practise the cards

12 cards from this deck

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Graphs with x2x^2 term

Quadratic graphs

U-shape name of quadratic graphs

Parabola

Shape if x2x^2 coefficient positive

U-shape opening upward

Shape if x2x^2 coefficient negative

Upside-down U opening downward

What to use before plotting quadratic graph

Table of values

Drawing tool to avoid for quadratic curves

Ruler (must use smooth curve)

Where solutions/roots appear on quadratic graph

Where graph crosses x-axis

Value of yy at solutions/roots

y=0y = 0

Decimal places for solutions (unless stated)

1 decimal place

How to find xx for a given yy-value

Draw horizontal line at that yy

Graph reading accuracy required

Nearest small square on grid

Two key characteristics of quadratic graphs

Smooth and symmetrical

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