Question 113463
Please help me write an equation of the line:
1. The slope is 2; the y-intercept is 3.
2. The slope is -3; the y-intercept is -2.

Please send an example to write an equation of the line shown in a graph.
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The equation for a line:
y=mx+b
m=slope
b=y-intercept; where the line cross the y-axis
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So, you are given the slope and y-intercept, just replace m with slope given and b with y-intercept given
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1) y=2x+3
2) y=-3x-2
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The equation for this graph would be {{{(1/2)x+2}}}
If you count the angle of the line, the slope, which is change in y over change in x. So you start at the y-intercept and count 1 up and 2 over; that is your slope. The line cross the y-axis at the 2, so that is b in the equation,
:)
{{{graph (400,400, -5,5,-5,5, (1/2)x+2)}}}