Question 1176534
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Hi
the standard slope-intercept form for an equation of a line is:
 {{{y = highlight_green(m)x + highlight(b)}}}  where m is the slope and b the y-intercept.  
(-9, 5), 
(8, -2)  m = 7/-17 = (-7/17)

***Using point-slope form, {{{y - y[1] = highlight_green(m)(x - x[1])}}}
 y + 2 = (-7/17)(x -8)
     y = (-7/17)x + 56/17 - 34/17
     y = (-7/17)x  + 22/17

Wish You the Best in your Studies.
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