Chapter 5 Review Algebra

7x+4y =12 
x + 2y = -4

• (-4,4)
• (4,4)
• (4,-4)
• (-4,-4)

x + 2y = -4
x - 2y = 8

• (2,5)
• (2,-3)
• (2,-2)
• (-3,2)

7x - 2y = 6
x - 2y = -6

• (2,4)
• (3,-2)
• (1,2)
• (-2,-4)

x-4y = 16
5x + 4y = 8

• (4,-3)
• (-3,4)
• (4,3)
• (3,-4)

x + y = 3
3x - y = 1

• (2,1)
• (-1,2)
• (1,2)
• (-2,-1)

x - 4y = -4
x + 2y = 8

• (2,2)
• (4,2)
• (2,-2)
• (4,-2)

x - y = -2
y = -2

• (1,-2)
• (-1,-2)
• (-4,-2)
• (4,-2)

2x - 3y = 6
7x - 3y = -9

• (3,4)
• (4,-3)
• (-4,-3)
• (-3,-4)

What is the solution to the system?

• (0, 3)
• (1, -1)
• (-3, 1)
• (1, 3)

^{What is the solution?} 

• 1
• -2
• (1, 2)
• (1, -1)