Question 586095
Slope-intercept form is y = mx + b
m is the slope {which is how much the line rises over how much it runs}
b is the y-intercept {which is where the line crosses the y-axis}


y = 3x - 4
To graph:
- put a point on -4 on the y-axis
- from there move up 3 and to the right 1 and put another point {rise over run is 3/1}
- draw a line through the two points}


y = -3x + 2
To graph:
- put a point on 2 on the y-axis
- from there, move down 3 and to the right 1 and put another point (rise over run is -3/1}
- draw a line through the two points


The point where the two lines meet is the solution.


You could also use my graphing calculator here:
<a href = "http://www.algebrahouse.com/graphing-calculator.html" target = "_blank">http://www.algebrahouse.com/graphing-calculator.html</a>


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