Posted by Ann on Tuesday, December 4, 2012 at 9:47pm.
Write an equation that is in slopintercept form of the line that passes through the points: (1/2, 1) and (3, 5/2).

Algebra URGENT  Mac, Tuesday, December 4, 2012 at 10:40pm
Use your slope formula
(1  2.5) / (.5  3) = 3.5/3.5 = 1
Pick a point, does not matter which one, will get the same answer and use your point slope equation
y  2.5 = 1(x  3)
y = x  .5
y = x  (1/2)

Algebra URGENT  Reggie, Tuesday, December 4, 2012 at 10:40pm
m = (y2y1)/(x2x1)
5/2(1)/(3(1/2)=
(7/2)/7/2 =1
so slope of the equation is 1.
No substitute one of the points into point slope equation and solve into slope intercept form:
yy1 =m(xx1)
y(1)=1(x(1/2)
y+1=x+1/2
y = x1/2
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