2) Graph the following system
-5x + y = -5
-4x + 2y = 2
Graph on your paper then have a group member bring it to me when finished.
(-1.5, -1.5)
7) Find the solution
y = 2x + 3
y = 3x + 1
(2, 7)
14) Find the solution
6x + 3y = -12
6x + 2y = -4
(2, -8)
1) Find the solution
-5x + y = -5
-4x + 2y = 2
(2, 5)
4) How many solutions does the following system have?
y = 5x - 4
y = 5x - 5
One, none, or infinite?
No Solution
8) Find the solution
y = 2x - 10
y = 4x - 8
(-1, -12)
15) Find the solution
2x - 2y = -8
x + 2y = -1
(-3, 1)
12) Find the solution
3x + 2y == 7
y = -3x + 11
(5, -4)
5) How many solutions does the following system have?
y = x + 4
y -4 = x
One, none, or infinite?
Infinite Solutions
9) Find the solution
y = x + 6
y = -2x -3
(-3, 3)
16) Find the solution
3x + 3y = -9
3x - 3y = 21
(2, -5)
19) Find the solution
5x = -25 + 5y
10y = 42 + 2x
(-1, 4)
6) How many solutions does the following system have?
y = 2x - 3
y = -x + 3
One, none, or infinite?
One Solution
10) Find the solution
3y = -1/2x + 2
y = -x + 9
(10, -1)
17) Find the solution
3x - 4y = -24
x + y = -1
(-4, 3)
20) Find the solution
3x - y = 28
3x + y = 14
(7, -7)
3) Find the solution
y = 3x + 7
y = x - 9
(-8, -17)
11) Find the solution
y = 4x + 6
y = 2x
(-3, -6)
18) Find the solution
x + 2y = -6
3x + 8y = -20
(-4, -1)
13) MEGA SUPER HARD QUESTION
The sum of two numbers is 82. Their difference is 24. Write a system of equations that describes this situation. Solve by elimination to find the two numbers.
x + y = 82
y - x = 24
53 and 29