Solving System of Linear Equations

^{What is the solution?} 

• 1
• -2
• (1, 2)
• (1, -1)

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

This system has _____ solutions

• 0
• 1
• 2
• Infinitely many

Tags

CCSS.8.EE.C.8B

Find the solution of the system of equations below using the substitution method:

y = 2x - 4

7x - 2y = 5

• (-1, -6)

• (-1, -8)

• (-2, 6)

• (1, -8),

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

What is the x-value for the solution to the following system of equations?

 $x+2y=13$  

 $-x+y=5$  

• -1

• 6

• 1

• -6

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

Which is the best method for solving this system?
y = 3x - 11
4x + 8y = 6

• Elimination
• Graphing
• Substitution
• Factoring

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

What is the best first step to solve this system by elimination?

• Add the equations to eliminate y

• Multiply the first equation by 2

• Multiply the second equation by 3

• Add the equations to eliminate x

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

What is the best first step to solve this system by elimination?

• Add the equations to eliminate y

• Subtract the equations to eliminate y

• Multiply the second equation by 3.

• Multiply the first equation by 2

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

Solve the following system of equations:

2x + 2y = 9

2x - y = 3

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

State the best method of solving the following system of

equations. Explain why? 4x - 2y = 10

y = -2x - 1

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6