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Key Ideas
Key Ideas
Different representations of functions, symbolically and visually as graphs, equations and tables provide different ways to communicate mathematical relationships.
Functions represent mappings that assign to each value of the independent variable (input) one and only one dependent variable (output).
Finding the equation of a line given two points
Finding the equation of a line given two points
Finding the equation of a liner using a midpoint and gradient
Finding the equation of a liner using a midpoint and gradient
Parallel and Perpendicular Lines
Parallel and Perpendicular Lines
Change the gradient of the blue line so that it is perpendicular with the grey line.
What can you say about the two gradients?
https://www.geogebra.org/material/show/id/aDPTgCRA
Standard Form
Standard Form
We learn how to draw, or graph, a line given in its standard form as well as how to find its gradient and how to write its y-intercept form starting from its standard form. Finally we show how to write a line in its standard form, starting from its y-intercept form.
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