Substitution Equations

Solve:
x = -3y - 17
2x + 3y = -7

• (1, -20)

• (3, 0)

• (-5, -2)

• (10 , -9)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

What is the correct substituted equation for the following system?

• 3x + y = -4

• y = 6x - 2

• 3x + 6x = -4

• 3x + (-6x + 2) = -4

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

What is the correct substituted equation for the following system?

• y = 3x - 4

• -2x + y = 11

• -3x + (x + 4) = 11

• -3x + (2x - 4) = 11

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

What is the correct substituted equation for the following system?

4x-y=9

y=3x+5

• 4x - (3x + 5) = 9

• 4x + 3x = 9

• 4x - y = 9

• y = 4x - 5

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

What is the correct substituted equation for:

y=5x-3

2y+3x=12

• 5x - 3 = 12

• 2y + 3x = 12

• 2(5x - 3) + 3x = 12

• 2y - 3x = 12

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

Mathematical Equivalence

ON

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

Identify the type of solution for the following system of equations.

• No solution.

• One solution.

• Infinitely many solutions.

• Two solutions.

Tags

CCSS.8.EE.C.8A

• (4, 1)

• (1, 4)

• (-2, 0)

• No solution.

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

• (2, 0)

• (-2, 8)

• Infinitely many solutions. 

• (8, -12)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

• (-2, -9)

• (2, 11)

• (-2, -11)

• (-2, 9)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6