SOLUTION: 20. A line passes through (7, –6) and (8, –5).
a. Write an equation for the line in point-slope form.
b. Rewrite the equation in standard form using integers. (2 points)
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Question 528871: 20. A line passes through (7, –6) and (8, –5).
a. Write an equation for the line in point-slope form.
b. Rewrite the equation in standard form using integers. (2 points)
Answer by solver91311(24713) (Show Source): You can put this solution on YOUR website!
Use the two point form of an equation:
(x\ -\ x_1) )
where )
and )
are the coordinates of the given points.
Then do the arithmetic to calculate the slope portion of the form: )
resulting in your equation being in the point-slope form:
 )
After that, perform the necessary manipulations to put your equation into Standard form, namely:
Multiply through by any fraction denominators to ensure that all of the coefficients are integers. Not absolutely necessary, but a good idea for neatness sake: If the lead coefficient (the coefficient on 
) is negative, multiply through by 
John
My calculator said it, I believe it, that settles it
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