Day 9 Quiz 6/21

Solve the system using elimination.
3x + 2y = 16
7x + y = 19

• (-2,5)
• (-2,-5)
• (2,-5)
• (2,5)

What does X equal in the solution to the following system:

x + y = -3

5x - 2y = -50

(a)  

What does Y equal in the following system:

7x + 5y = -13

-2x = 7y + 26

(a)  

What does Y equal in the following system:

8x + 5y = -13

3x + 4y = 10

(a)  

Solve using elimination.

3x + 6y = 27

x + 2y = 11

• Infinite Solutions

• (9 , 0)

• No Solution

• (0, 5.5)

What does X equal in the following system:

x = 2y - 3

2x - 3y = -5

(a)  

Solve by elimination:

4x + 4y = 4
3x + 4y = 10

• (7,-6)
• (-6,7)
• (6,7)
• (7,6)