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

given two points one a line (8,1) and 10,8) find the x intercept and y intercept

PLEASE HELP!

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**Reiny**, Sunday, October 5, 2008 at 9:19pm
slope 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!!!!! -
**ggggggg**, Tuesday, February 24, 2015 at 7:44pm
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