6.2 Systems of Equations Solve by Substitution

Solve:
y = 8x + 2
y = -x - 7

• (1, 10)
• (-1, -6)
• (2, 7)
• (9, 9)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

Solve:
y = 2x - 2
-x + 8y = 14

• (2, 2)
• (6, 12)
• (1, 0)
• (1, -6)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

y = −2
4x − 3y =18

• (3,-2)
• (-2,3)
• (2,-3)
• (3,3)

Tags

CCSS.HSA.CED.A.2

CCSS.HSA.REI.C.6

CCSS.HSA.REI.D.10

CCSS.HSA.REI.D.11

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
3x - 2y = 3

• (1,1)
• (3,3)
• (-2,0)
• (0,-2)

Tags

CCSS.HSA.REI.C.7

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

• (1.4, -0.3)
• (3.1, 5)
• (-2.5, 3.5)
• (6.9, 1.02)

Tags

CCSS.HSA.REI.C.9