System of Equation Quiz

Solve by elimination: 
4x + 8y = 20
−4x + 2y = −30

Solve by elimination:

-9x - 4y = -20

5x + 4y = 4

Solve the system:
x + 6y = 17
x - 3y = 8

• (5, 8)

• (5, -8)

• (-5, -18)

• (-5, 8)

Solve the system.  
5x + 8y = -12
3x + 5y = -7

• (1, -10)
• No solution
• (-4, 1)
• (1, 10)

Solve by elimination:

2x+9y= -7

6x-3y= 9

• (-1, -1)

• (2,-1)

• (1,1)

• (1,-1)

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

Two brothers went shopping at a back-to-school sale where all shirts and shorts were the same price. The younger brother spent $175 on 7 new shirts and 7 pairs of shorts. The older brother purchased 6 new shirts and 7 pairs of shorts and paid a total of $165. How much did one shirt cost?

• $5
• $10
• $15
• $20

Homer sells tickets for admission to your school play and collects a total of $104. Admission prices are $6 for adults and $4 for children. He sold 21 tickets total. Solve the system:
x + y = 21
6x + 4y = 104

• (10, 11)
• (12, 9)
• (11, 10)
• (9, 12)