Hi, 

Using the general slope=intercept form for an equation of a line:

y = mx + b where m is the slope and b the y-intercept

y = (-3/4)x + b  Using ordered pair(8,-4) to solve for b

-4 = (-3/4)*8 + b

-4 = -6 + b

2 = b

equation of the line is:

y = (-3/4)*x + 2

x = -4 

y = (-3/4)*-4 + 2  = 5



y = (-3/4)*x + 2

y = −1

-1 = (-3/4)*x + 2

-3 = (-3/4)*x 

4 = x 

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