Solving Systems of Linear Equations Review

What is the solution to this system?

• (-2, -2)
• (2, -2)
• (-2,2)
• (2, 2)

What is the solution to this system of equations?

• (4, -1)
• (-1, 4)
• (-4, 1)
• (-4, -1)

This system has _____ solutions

• no
• 1
• 2
• Infinitely many

Tags

CCSS.8.EE.C.8A

What is the solution?
(Hint:  Both lines are graphed over each other)

• One Solution
• No solution
• Infinitely Many Solutions

Tags

CCSS.8.EE.C.8A

Solve the system of equations:
x + y= 3
y = 4x - 2

• (1, 2)
• (2, 1)
• (-1, 4)
• (4, -1)

Solve the system of equations:
y = -7x + 7
x + 2y = -12

• (2, 7))
• (-2, 7)
• (-2, -7)
• (2, -7)

−4x − 4y = 0

4x + 4y = 0

• (−6, −4)

• Infinitely many solutions

• (−6, 10)

• no solution

-8x + 7y = 9
x = -2

• (-2, -1)
• (-2, 3)
• (-1, -2)
• (-2, 5)

Solve: 
5x+6y= -10
3x-2y= -6

• (-2,0)
• (0,-2)
• (2,0)
• (0,2)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

7x + 4y = -6
-7x - 6y = 30

• (6, -12)
• (6, 12)
• (-12, 8)
• (12, -8)