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Slope and Y-INT of 7y+7x+9=10+7x?

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I need more than the answer for this. I need an explanation of how you arrived there as well. The Y int should be a coordinate? If you can show me how to arrive at the answer, I can probably learn this.

asked Mar 1, 2013 in PRE-ALGEBRA by mathgirl Apprentice

1 Answer

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slope intercept form line equation is y = mx + b, m is slope and b is y-intercept.
Rewrite the equation in slope-intercept from.
Subtract 7x from each side
7y + 9 = 10
subtract 9 from each side
7y = 1
divide each side by 7
y = 1/7
the line is parallel to x-axis. So, line is a parallel line.
Parallel line slope is zero.

answered Mar 1, 2013 by John Lyn Pupil

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