solving systems of equations by substitution

Solve:
y = -1x - 5
4x - 8y = 4

• (-3, -2)
• (5, -7)
• (3, 9)
• (-5, 4)

Tags

CCSS.HSA.REI.C.6

CCSS.8.EE.C.8B

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

• (1, -20)
• (3, 0)
• (-5, -2)
• (10 , -9)

Tags

CCSS.HSA.REI.C.9

Solve the system of equations using substitution:
2x + 3y = -5
x = y + 5

• (-4, 1)
• (2, -3)
• (6, 1)
• (8, 3)

Tags

CCSS.HSA.REI.C.6

CCSS.8.EE.C.8B

Solve the system of equations:
y=2x
x + y = 9

• (6, 3)
• (3, 6)
• (-3, -6)
• no solution

Tags

CCSS.HSA.REI.C.7

Solve the system by substitution. 
-2x - 2y = 16
y = -8

• (0, -8)
• (-8, 0)
• (-16, -8)
• (-16, -8)

Tags

CCSS.HSA.REI.C.6

CCSS.8.EE.C.8B

Solve the system by substitution. 
-5x - 4y = -9
y = 6

• (3, 6)
• (6, -3)
• (-3, 6)
• (6.8, 3)

Tags

CCSS.HSA.REI.C.6

CCSS.8.EE.C.8B

Solve the system by substitution. 
y = 2x − 11 
2x − 8y = 4 

•  (6, 1)
• (6, −4)
• (6, −1)
• Infinite number of solutions  

Tags

CCSS.HSA.REI.C.6

CCSS.8.EE.C.8B

Solve the system by substitution. 
3x − 2y = 7 
y = 2x − 7 

• No solution 
•  (7, 7)  
•  (−7, −7)  
•  (−7, −3)  

Tags

CCSS.HSA.REI.C.6

CCSS.8.EE.C.8B

Solve the system of equations using substitution:
y = 4
-x + 3y =8

• (4, 4)
• (4, -4)
• (-4, 4)
• (-20, 4)

Tags

CCSS.HSA.REI.C.6

CCSS.8.EE.C.8B

Solve the system of equations using substitution:
3x - 4y = -2
y = -1

• (-4, -1)
• (4, 1)
• (2, -1)
• (-2, -1)

Tags

CCSS.HSA.REI.C.6

CCSS.8.EE.C.8B