Systems Review

What is the solution to the system?

• (3, -1)
• (2, -6)
• No Solution 
• (6, -2)

The solution to the system is

• (-2, -8)
• (-8, -2)
• (2, -8)
• No solution

Solve the following system by graphing.  What is the solution?

• (3, -2)
• (3, -3)
• (-3, 2)
• (-3, -2)

Solve the following system by graphing.  What is the solution?

• Infinity
• (3, 3)
• (3, -3)
• (-3, 3)

Using Substitution, solve for the system of linear equations:

 $x=-3y+1$  

 $-3x-3y=-15$  

• Infinitely many solutions

• (-1,5)

• (7,-2)

• No solution

Using Substitution, solve for the following system of linear equations: $5x-2y=18$  

 $y=-2x+9$  

• (4,1)

• No solution

• Infinitely many solutions

• (5,-2)

Using Substitution, solve for the following system of linear equations:  $x-6y=10$  

 $x=6y-1$  

• (-1,1)

• No solution

• (10,6)

• Infinitely many solutions

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

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

Solve the system by the elimination method.

• $\left(7,21\right)$

• $\left(3,-1\right)$

• $\left(1,4\right)$

• $\left(-2,5\right)$