Name _____________________________    
Date ___________________
Linear Equations
Write an equation of the line that passes through the given two points.

1.  
(-3,4), (-1,0)




2.  
(-3,5), (12,-10)




3.  
(-5,-7), (3,33)




4.  
(-7,4), (20,-5)




5.  
(-44,-42), (56,-402)




6.  
(2,2), (6,18)




7.  
(-39,28), (3,133)




8.  
(5,1), (44,-64)




9.  
(6,0), (75,-345)




10.  
(50,-25), (125,-340)




11.  
(-20,-11), (20,-161)




12.  
(-5,6), (45,31)




13.  
(41,14), (161,-394)




14.  
(43,13), (63,-22)




15.  
(-48,29), (-24,161)




16.  
(6,3), (60,-33)




17.  
(5,-2), (39,83)




18.  
(1,-3), (25,-99)




 

Answer Key

 

1
x =  -1  -  
1
2
y
2x + y = -2
y =  -2x   -  2
2
x + y
2
  =  1
x + y = 2
y =  -x   +  2
3
x =  
1
5
y  -  
18
5
5x - y = -18
y =  5x   +  18
4
3y = 5 - x
x + 3y = 5
y =  
-1
3
x   +  
5
3
5
-18x = 1002 + 5y
18x + 5y = -1002
y =  
-18
5
x   -  
1002
5
6
12 =  -2y  +  8x
4x - y = 6
y =  4x   -  6
7
-6y = -753 - 15x
5x - 2y = -251
y =  
5
2
x   +  
251
2
8
x =  
28
5
  -  
3
5
y
5x + 3y = 28
y =  
-5
3
x   +  
28
3
9
-10x = -60 + 2y
5x + y = 30
y =  -5x   +  30
10
x =  
-5
21
y  +  
925
21
21x + 5y = 925
y =  
-21
5
x   +  185
11
x =  
-344
15
  -  
4
15
y
15x + 4y = -344
y =  
-15
4
x   -  86
12
x - 2y
3
  =  
-17
3
x - 2y = -17
y =  
1
2
x   +  
17
2
13
15y = 2301 - 51x
17x + 5y = 767
y =  
-17
5
x   +  
767
5
14
x =  
-4
7
y  +  
353
7
7x + 4y = 353
y =  
-7
4
x   +  
353
4
15
-33x = 1758 - 6y
11x - 2y = -586
y =  
11
2
x   +  293
16
-3y = -21 + 2x
2x + 3y = 21
y =  
-2
3
x   +  7
17
x =  
29
5
  +  
2
5
y
5x - 2y = 29
y =  
5
2
x   -  
29
2
18
1 =  1y  +  4x
4x + y = 1
y =  -4x   +  1