Question 384946
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Hi
the standard slope-intercept form for an equation of a lineis: y = mx + b  
where m is the slope and b the y-intercept.  
slopes and y intercept  can be read off the standard form:
y = -6/5x -6    m = -6/5  y-intercept pt(0,-6)
f(x)= -7x -9    m = -7  y-intercept pt(0,-9)
3 - 1/3y = 7x  Or y = -21x +9     m = -21  y-intercept pt(0,9)

Might recommend posting others separately.