SOLUTION: Please write an equation for each line,express it in the standard for ax+by=c. 1.(-3,4) (2,4) 2.with m=-3 and through (4,6) 3. Through (0,4) and (-1,0) 4. Parrallel to x+4=0 wi

Question 167321: Please write an equation for each line,express it in the standard for ax+by=c.
1.(-3,4) (2,4)
2.with m=-3 and through (4,6)
3. Through (0,4) and (-1,0)
4. Parrallel to x+4=0 with x-intercept (-9,0)
Answer by Mathtut(3670) (Show Source): You can put this solution on YOUR website!
A. slope = change in y/change in x m=4-4/2+3=0
so y-4=(0)(x-2) y=4 or
B. using point slope form:y-6=-3(x-4)---> y-6=-3x+12--->
:
C. slope (0-4)/(-1-0)=4--> y-4=4(x-0)---> y-4=4x--->
:
D.x=-4 is a horizontal line where x=-4 for any y value
a line parallel to this through (-9,0) will also be a horizontal line where x
= -9 for all y values. and would be written as
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