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July 23, 2014

July 23, 2014

Posted by **Mary** on Sunday, October 5, 2008 at 9:15pm.

PLEASE HELP!

- algebra HEEEEEEEEEEEEEEEEELPPP!!!!! -
**Reiny**, Sunday, October 5, 2008 at 9:19pmslope is 7/7 = 1

so the equation is y = x+b

but (8,1) lies on it, so

1 = 8 + b

b = -7

your equation is y = x - 7

clearly the y-intercept is -7 by the definition of y = mx + b

for the x-intercept, let y=0 and solve for x

- algebra HEEEEEEEEEEEEEEEEELPPP!!!!! -
**Alexis**, Sunday, October 5, 2008 at 9:21pmwhen i did it i got the slope=7/2

how did you get 7/7?

- algebra HEEEEEEEEEEEEEEEEELPPP!!!!! -
**Reiny**, Sunday, October 5, 2008 at 9:24pmyou are absolutely right, my mental arithmetic is often pathetic.

so just follow the rest of my solution with a slope of 7/2

- algebra HEEEEEEEEEEEEEEEEELPPP!!!!! -
**Reiny**, Sunday, October 5, 2008 at 9:30pmdid you get y-intercept of -27 and

x-intercept of 54/7 ?

- algebra HEEEEEEEEEEEEEEEEELPPP!!!!! -
- algebra HEEEEEEEEEEEEEEEEELPPP!!!!! -
**Alexis**, Sunday, October 5, 2008 at 9:44pmyes i did!

thanks so so much

- algebra HEEEEEEEEEEEEEEEEELPPP!!!!! -

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