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Write the slope-intercept form of an equation of the line that passes through the given point and is perpendicular to the graph of each equation.

1.(-2,-2),y=-1/3x+9
2.(-4,-3),4x+y=7
3.(-4,1),4x+7y=6
4.(-6,-5),4x+3y=-6

These are the answer I came up with, could you review them? Thanks
1.y=3/1x+4
2.y=1/4x-2
3.y=7/4x+8
4.y=3/4x-1/2

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    all correct

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