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6.3 Graph a Line Using Intercepts
.
1. Graph the linear equation y = 3x­4
using slope and y­intercept.
y
x
Recall:
The x­intercept is where the line crosses the x­axis
and is at some point (a,0).
The y­intercept is where the line crosses the y­axis
and is at some point (0,b).
1
2. Graph the linear equation 5x ­ 3y = 15
using intercepts.
x y
5x ­3(0) = 15
(x,y)
0
y
0
5(0) ­ 3y = 15
x
Now you try graphing 4x+2y = 8 using intercepts.
x y (x,y)
0
4x+2(0)=8
y
0
4(0)+2y=8
x
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