Solving System of Linear Equations by Substitution

Solve the system using substitution.
y = 6x - 5
6x - 7y = -1

• (1,1)
• (-1, -11)
• No Solution
• Infinitely many solutions

Tags

CCSS.8.EE.C.8B

Solve the system using substitution.
y = -3x + 9
-8x + 5y = -1

• (3,2)
• (2,3)
• No Solution
• Infinitely Many Solutions

Tags

CCSS.8.EE.C.8B

Solve the system using substitution.
-7y + 5x = -3
x = 5y - 15

• (5,4)
• (4,5)
• No Solution
• Infinitely Many Solutions

Tags

CCSS.8.EE.C.8B

Solve the system using substitution.
16x + 2y = 2
y = -8x - 1

• (2,3)
• (-3,7)
• No Solution
• Infinitely Many Solutions

Tags

CCSS.8.EE.C.8B

Solve the system using substitution.
y = -8x + 20
-8x - y = -20

• (5,7)
• (4, -9)
• No Solution
• Infinitely Many Solutions

Tags

CCSS.8.EE.C.8B

Solve for x and y
3x + 2y = 16
7x + y = 19

• (-2,5)
• (-2,-5)
• (2,-5)
• (2,5)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

The equations of two lines are:
 2x-y=4 and y=-2x+8.
What is the value of x in the solution for this system?

• x=8
• x=3
• x=11
• x=5

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

What is the value of the y-coordinate of the solution to the system of equations 
x-2y=1
x+4y=7 

• 1
• -1
• 3
• 4

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

How many solutions does the following equation have?
3x − 3 = −3 + 3x

• One Solution
• No Solutions
• Infinitely Many Solutions

Tags

CCSS.8.EE.C.7A

If a system of equations has no solution, what does the graph look like? 

• intersecting lines
• parallel lines
• skew lines
• intersecting lines

Tags

CCSS.8.EE.C.8A