Posted by **Gina** on Thursday, June 21, 2007 at 5:33pm.

Did I do this correctly:

Equation of a line:

y=1/3x+5

Finding x-intercept, you set y to 0

y=1/3x+5

0=1/3x+5

-5 x 3=x

-15=x

Finding y-intercept you set x to 0

y=1/3x+5

y=1/3 x 0 +5

y=5

* b=5 and b=y-intercept. But what if b is not given then how do i find y-intercept??

You did it correctly. If b was not given, you would have to have another point on the line to determine the intercept.

Thank-you so much.

what is the value of m if h1=21,h2=14,and d=49?

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