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How do you graph y-4x=8

Sagot :

Panoyin
y - 4x = 8
y - 4x + 4x = 8 + 4x
y = 8 + 4x
y - 8 = 8 - 8 + 4x
y - 8 = 4x
   4       4
1/4y - 2 = x
y - 4(1/4y - 2) = 8
y - y + 2 = 8
0y + 2 = 8
       -2  -2
     0y = 6
      0     0
       y = 0
0 - 4x = 8
+0       +0
    -4x = 8
     -4    -4
       x = -2
 (x, y) = (-2, 0) 
first, you would need to separate the y and the x variables. (add 4x to both sides)
y=4x+8
now that you have your equation, you can graph it.
4 is the slope and 8 is the y-intercept. 
on a sheet of graph paper, place a point on (0,8) because that is the y-intersept in the equation. 
now, because the slope is a positive 4, go up 4 spaces, and over 1 to the left. place a point where this is. (1,12)
do the opposite thing to get another point; down four spaces and right 1 and place a point (-1,4)
connect all three points that you have and now you have a line segment

hope this helped!!!
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