Intercepts and gradients
![Pencil and paper Pencil and paper](https://arbs.nzcer.org.nz/sites/default/files/styles/search_resource_type_icon/public/field_icon/pencil-paper.png?itok=DBPvjkhr)
This task is about the gradient and intercepts on a graph.
Below is a graph of the function y = x - 1.
Graph of y = x - 1
![graph of the function, y equals x minus 1](/sites/default/files/resources/maths/algebra/6000/al6046/graph.jpg)
a) |
What are the co-ordinates of the
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i)
ii)
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x-intercept? ( , )
y-intercept? ( , )
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b) |
Calculate the gradient (or slope) of the line.
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c)
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On the graph above, plot the function: y = 3x
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