college algebra
posted by topaz .
graph y=(1/2)x+1, (4,2) with steps to solve

y = (1/2)x + 1 is a straight line with slope 1/2 and yintercept of 1
(4,2) is a point that does NOT lie on this line.
What are you "solving" for ?
To graph the line, use the yintercept of (0,1) and any other point,
e.g. let x = 4
y = (1/2)(4) + 1 = 1, so another point would be
(4,1)
joint the two points and there is your line. 
5^n+7+8=
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graph y=(1/2)x+1, (4,2) with steps to solve