2.2.2

Gradient and Intercept

Test yourself

Gradient and y-intercept of a Line

A straight line y = mx + c has gradient m and y-intercept c.

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Y-intercept

  • The point where a line crosses the y-axis is called the y-intercept.
  • The y-intercept of the line above is -1.
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Gradient

  • The gradient of a line tells you how steep it is.
  • For every square you move to the right, the number of squares you have to move up is the gradient.
  • Gradient = change in y ÷ change in x.

Jump to other topics

1Number

1.1Place Value

1.2Factors & Multiples

1.3Operations

1.4Fractions, Decimals & Percentages

1.5Growth & Decay

1.6Measurements & Units

1.7Accuracy

2Algebra

3Ratio, Proportion & Rates of Change

4Geometry & Measures

5Probability

6Statistics

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