i-Chapter 6 Test (25)

Solve the following system of equations by elimination:

3x + 7y = 23

-3x - 7y = -17

• (3, 3)

• Infinite Solutions

• (-3, 3)

• No Solution

Solve the following system of equations by elimination:

-9x - 4y = -20

5x + 4y = 4

• (-4, 4)

• (4, 4)

• (4, -4)

• (-4, -4)

Solve the following system of equations by elimination:

7x - 9y = 29

7x + 2y = -15

• (-4, -1)

• (-1, -4)

• (-1, 4)

• (-1, 6)

Solve the following system of equations by elimination:

4x - 6y = -6

-2x - 12y = -12

• (0, 1)

• (1, 0)

• (1, 1)

• (2, 1)

Solve the following system of equations by elimination:

2x + 9y = -7

6x - 3y = 9

• (-1, -1)

• (2, -1)

• (1, 1)

• (1, -1)

Solve the following system of equations using substitution:

8x + 4y = 12

y = -2x + 3

• (0, 3)

• (3, 0)

• No solution(parallel lines)

• Infinitely many solutions

Solve the following system of equations using substitution:

y = 8x + 12

-5x + 4y = 21

• (1, -4)

• (1, 20)

• (-1, 20)

• (-1, 4)

Solve the following system of equations using substitution:

y = -x - 4

y = x - 2

• (-1, -3)

• No solution

• Infinitely many solutions

• (1, 3)

Solve the following system of equations using substitution:

y = -x + 8

2x - 5y = 29

• No Solution

• (12 , 1)

• Infinitely many solutions

• (12 , -1)

Determine the solution to the system of equations pictured in the graph:

• (4, -1)

• (-1, 4)

• (-4, 1)

• (-4, -1)