Systems of Equations and Stuff

What is the solution to this system?
y= 4x + 3
2x - 3y = 21

• (3,-9)
• (-3,-9)
• (-3,9)
• (0,1)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

What is the solution to this system?
x= 7 - 2y
2x + y = 5

• (-1,4)
• (4,-1)
• (1,3)
• (3,1)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

What is the solution to this system?
y = x + 5
4x + y = 20

• (3,8)
• (8,3)
• (0,2)
• (2,0)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

What is the solution to this system?
x= 7 - 2y
2x + y = 5

• (-1,4)
• (4,-1)
• (1,3)
• (3,1)

What is the solution to this system?
y = x
3x - 2y = 3

• (1,1)
• (3,3)
• (-2,0)
• (0,-2)

Tags

CCSS.HSA.REI.C.7

What is the solution to this system?
3y - 2x = 0
y = 4x - 1

• (0.3, 0.2)
• (-0.3, -0.2)
• (-0.3, 0.2)
• (0.3, -0.2)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

CHALLENGE: Three equations.
x + y + z = 4
x = -2y
z = -3y
Solve the system of equations using substitution.

• x = 2
  y = -1
  z = 3
• x= -5
  y = 3
  z = 1
• x = 10
  y = -2
  z = 0
• x= 4
  y = 1
  z = -1

Tags

CCSS.HSA.REI.C.6

Solve the system of equations.
x + 2y = -3
x - y = -12
What is the product of x and y?

• -27
• -35
• 45
• 54

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

Give the solution to the system

• (3,1)
• (1,3)
• (-1,3)
• a hoppy hippo

Tags

CCSS.8.EE.C.8A

^{What is the solution?} 

• 1
• -2
• (1, 2)
• (1, -1)

Tags

CCSS.8.EE.C.8A