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Graph the linear equation

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Graph the linear equation.
3x -y = -2

asked Dec 9, 2013 in ALGEBRA 2 by chrisgirl Apprentice

1 Answer

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Graph the linear equation by using slope-intercept method :

The equation 3x - y = - 2.

Write the above equation in slope-intercept form y = mx + b, where m is slope and b is y-intercept.

Now the equation is y = 3x + 2.

Slope : m = 3 and y-intercept : b = 2.

y-intercept is 2, so the line crosses the y-axis at (0, 2)

Using slope find the next point.

Slope = rise/run = 3/1

Start at point (0, 2), move 3 units up (2+3=5) and 1 unit right (0+1=1), then plot the point (1, 5).

Draw a line through these points.

Graph :

graph for the equation - x - 2y = 8

 

answered Aug 19, 2014 by casacop Expert

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