Thursday

April 24, 2014

April 24, 2014

Posted by **Confused** on Saturday, May 26, 2007 at 6:30pm.

a) y=-3x + 5

b) y= 1/3x + 5

c) y= 3x + 5

d) y= -1/3x + 5

The slope of the 2nd equation is -3...because the equation of a line is y=mx+b, where "m" is the slope and b is the y-intercept. So since the slope of the given equation is -3. To get the slope of the line perpendicular to that, you would get the negative reciprocal of -3.

-3 is -3/1. You would flip it to 1/-3 and multiply by -1 to get 1/3 to get your perpendicular slope. And since the y-intercept is (0,5), you only need the y-value, which is 5.

So your equation would be y=1/3x + 5.

- math/algebra1a -
**john**, Sunday, June 22, 2008 at 4:46pm2+2=6

- math/algebra1a -
**carolyn**, Sunday, March 8, 2009 at 4:31pmhow do i evaluate m+n/7 form =47 nd n=9

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