2
Graphing Linear equations - Method 3
• Graph each equation by finding first the slope and y-intercept. Make sure you label your
rise and your run on the graph and label at least three points on the graph.
5. 3x + y = 2
6. x
4y = 8
7
7
6
6
5
5
4
4
3
3
2
2
1
1
0
0
-1
-1
-2
-2
-3
-3
-4
-4
-5
-5
-6
-6
-7
-7
-8
-8
Slope
Slope Formula
The slope between two points (x
) and (x
) is
, y
, y
1
1
2
2
y
y
y
y
2
1
1
2
m =
=
x
x
x
x
2
1
1
2
• Find the slope of the line through the given points using the slope formula.
7. (3, 4) and (6, 10)
8. ( 2, 8) and ( 3, 12)
9. (5, 2) and (1, 2)
10. ( 5, 7) and ( 5, 1)
Challenge Problem
(To Keep you all Off the streets) . . . please work in
groups.
1
If the slope of a line is
and passes through the points (x, 2) and (2, 6), find x.
5