Homework Help: algebra

Posted by amy on Monday, November 21, 2011 at 4:46pm.

find an equation of the line containing the given pair of points.
(-9,0) and (0,4)
what is the equation of the line?
y=?

algebra - Damon, Monday, November 21, 2011 at 4:54pm
slope = m = (4-0) / (0 -(-9)) = 4/9

y = (4/9) x + b
4 = 0 + b

so
y = (4/9) x + 4

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