Topics

Functions and Graphs

Finding the Equation of a Straight Line

 Video Tutorial

Key Aspects:
  • Finding linear equations from its graph
  • Finding linear equations from two given points
  • Calculating the gradient (m) and y-intercept (c)
  • Determining whether a point lies on a given line
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 Revision Cards

1) Determining a Linear Equation from its Graph

Finding linear equation y = mx + c using two points, and steps to calculate gradient (m) and y-intercept (c) with points (2,3) and (4,7) on a graph.

2) Determining If a Point Is on a Given Line

Verifying if points (3, 5) and (-2, -4) lie on the line y = 2x - 1 by substituting coordinates into the equation illustrating right and wrong results.

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 Exercises

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