Graphing and Linear Equations
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Solution Summary
This solution gives multiple examples of how to graph a linear equation and to find a formula from graphs.
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Please see the attached file for the complete solution.
You can use this site to make graphs easily: http://www.walterzorn.com/grapher/grapher_e.htm
I am choosing to x values (0 and 1) and plugging them in to solve for y. You can then connect these points to make a graph.
1) y=3x+2
Use the following points to make your graph:
(0,2) and (1, 5)
2) y=1/2x
Use the following points to make your graph:
(0, 0) and (1, ½)
3) y=3/2x+6
Use the following points to make your graph:
(0, 6) and (1, 7.5)
The domain is -∞ to ∞ and the range is -∞ to ∞ because there are no points where x or y will be undefined. The slope is the term before x, in this case 3/2.
4) y=-x
Use the following points to make your graph:
(0, 0) and (1, -1)
The x and y intercepts are both 0. The slope is -1.
5) y=5
This is a line at the ...
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