Ninth Grade Math
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Ninth Grade Math Worksheets
Name _____________________________
Date ___________________
Coordinate Geometry
Solve graphically and then check.
Specify if the lines are parallel.
1.
y +
2
x
=
2
5y -
5x
+
15
= -80
2.
y +
3x
-
0
= 0
y -
2
x
=
10
3.
y =
2
x
-
2
-1
x
-
14
= y
4.
y -
x
+
13
= 14
2y +
6x
+
4
= -26
5.
y -
x
+
3
= 0
y =
-2
x
-
21
6.
y -
3
x
=
3
4y +
4x
-
8
= -28
7.
2
x
-
3
= y
y -
3x
+
14
= 5
8.
3y -
3x
-
30
= -39
y +
3x
-
1
= 12
9.
y +
x
+
3
= 0
y =
-1
x
-
3
10.
y +
x
-
3
= 0
-2
x
+
0
= y
11.
y -
1
x
=
0
4y -
8x
+
60
= 44
12.
y +
3
x
=
-1
-1
x
+
5
= y
13.
y =
0
x
-
2
y -
2x
-
10
= 0
14.
y -
x
-
4
= -1
4y +
12x
+
88
= -44
15.
4y -
12x
-
16
= -16
1
x
+
8
= y
16.
y -
x
-
0
= 0
y -
3
x
=
6
17.
y +
2x
+
14
= 14
y =
-3
x
+
4
18.
y -
3x
+
1
= 0
-1
x
-
17
= y