Solve Linear Systems by Elimination

Solve this system of equation

5x - 2y = 9

2x + 7y = -12

• (1, -1)

• (-1, 1)

• (-1, 2)

• (1, -2)

Solve by elimination:
4x+4y=4

3x+4y=10

• (7,-6)

• (-6,7)

• (6,7)

• (7,6)

The solution to a system of linear equations is ALWAYS...

• a fraction

• an ordered pair

• a decimal

• a negative number

You and your friend are buying throw blankets with your names embroidered on them. The cost of the throw blanket is x dollars and the cost of each embroidered letter is y dollars. Your name has 6 letters and the total cost is $29. Your friend's name has 3 letters and the total cost is $24.50. Which system can you use to solve this problem?

Solve the following system by elimination:

-3x - 7y = 14

-4x + 5y = -10

• (-2, 7)

• (7, -2)

• (-7, -2)

• (0, -2)

Solve the following system by elimination:

-4x + 4y = -20

5x + 12y = -9

• (3, -2)

• (7, -3)

• (-3, 7)

• none of the other choices

• (-3, -2)

Solve the following system by elimination:

-2x + 7y = 22

5x - 7y = 8

• (-3, 16/7)

• (-10, -1)

• (10, 6)

• none of the other choices

Solve the following system by elimination: 4x + 2y = 18 -4x - y = -21 The x-value of the solution is ---. (Just type in the number)

Solve the following system by elimination:

-2x + 4y = -22

-2x - 3y = -1

• (9, 3)

• (9, -3)

• (5, -3)

• (5, 3)

• none of the other choices

Solve the following system by elimination:

-7x - 4y = 19

-x + 8y = -23

• (-3, -10)

• (-3, 1)

• (1, -3)

• (-1, -3)

• no solution