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Mathematics
Edexcel GCSE Mathematics
Key terms

Edexcel · 1MA1

Edexcel GCSE Mathematics key terms

y-axis
The vertical number line on a coordinate grid.
From: Coordinates
y-intercept
The point where a graph meets the $y$ -axis, so its -coordinate is zero.

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x

x

From: Gradients and Intercepts

Zero pair

A positive and a negative quantity of equal magnitude that combine to make zero, such as $6+(-6)$ .

From: Calculating with Positive and Negative Numbers

Zero-product property

The rule that if a product is zero, at least one of its factors must be zero.

From: Solving Quadratic Equations: Factorising

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