Solving Systems by Matrices

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

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

Solve for x and y
3x + 2y = 16
7x + y = 19

• (-2,5)
• (-2,-5)
• (2,-5)
• (2,5)

Tags

CCSS.HSA.REI.C.6

CCSS.HSA.REI.D.10

CCSS.HSA.REI.D.11

Solve the system given:
3x - y = 7
2x + y = 3

• (-1,2)
• (5,4)
• (4,5)
• (2,-1)

Solve the system given:
4x + y = 0
x + y = -3

• (1,-4)
• (4,-1)
• (10,-1)
• (5,6)

What is the value of the y-coordinate of the solution to the system of equations 
x - 2y = 1
x + 4y = 7 

• 1
• -1
• 3
• 4

Solve the system given:
-x + y = -4
y = 2x - 11

• (3,7)
• (7,3)
• (4,-3)
• (-3,4)

Solve :
x - y = - 6
x + y = 8

• (2, 3)
• no solution
• (1, 7)
• (8, 7)

Solve :
  2x + y = 12
 -3x + y =  2

• (-2, 8)
• (2, 8)
• (2, -8)
• (12, 2)

Solve :
 3x + 4y = 52
 5x + y = 30

• (4, 10)
• (52, 30)
• (-52, 30)
• (-4, 10)

Solve:
  x - y = 11
2x + y = 19

• (10,-1)
• (-1,10)
• (3,-4)
• (6,7)