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October 20, 2014

October 20, 2014

Posted by **Sherry** on Monday, October 17, 2011 at 9:48pm.

(-2,-5),x-2-2y=3

- math -
**Yuki**, Monday, October 17, 2011 at 10:13pmx -2 -2y= 3

x -5 = 2y

y = x/2 -5/2 The slope is 1/2, so the perpendicular slope to it would be -2.

For me, I find it easier to draw a graph. Find point (-2, -5) and draw a line with slope of -2. Once you hit the y-axis, the number on the axis is you're y-intercept. So the equation should be y = -2x -6

- math -
**JJJ**, Monday, October 17, 2011 at 10:16pmy = .5x -2.5 or y= 1/2x -5/2

So the slope of your line is -2

y+5=-2(x+2) y= -2x-4-5 y=-2x-9

- math -
**Steve**, Tuesday, October 18, 2011 at 12:43amAnd the winner is . . . the one which contains the given point.

-2(-2) - 6 = 4-6 = -2 Bzzt!

-2(-2) - 9 = 4 - 9 = -5 Ding Ding!

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