Posted by jack on Tuesday, January 25, 2011 at 2:34pm.
If line f is parallel to the line h, and line f has yintercept 5, what is the equation of line f ? With h passing through two points (1, 2) and (3, 6)

Math  helper, Tuesday, January 25, 2011 at 2:42pm
REINY answered your earlier post and she said to try doing it yourself.
She did a similar example for you to follow. I pasted her example below.
Post your work if you get stuck.
Math  Reiny, Tuesday, January 25, 2011 at 12:09pm
slope of line through the two points = (62)/(31) = 2
so the slope of your new line = 1/2
since the slopes must be negative reciprocals of each other.
new equation:
y = (1/2)x + b
but (2,2) lies on this
2 = (1/2)(2) + b
3 = b
y = (1/2)x + 3
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