SOLUTION: write an equation for the line containing the indicated points (-1/2,7) and(-4,1/2)

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Question 6913: write an equation for the line containing the indicated points
(-1/2,7) and(-4,1/2)

Answer by glabow(165)   (Show Source): You can put this solution on YOUR website!
The slope-intercept form of the equation of a line is
where a is the slope and b is the y-intercept.
You have two points on the line (-1/2, 7) and (-4, 1/2).
The slope is so

From the slope-intercept form we can get

Put either point's x and y in this equation, solving for b.
or

So a = 13/7 and b = 7 13/14.
The equation of the line is
y = 13/7 x + 7 13/14

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