Solving Systems of Equations Practice

• Infinitely many solutions

• No solution

• Infinitely many solutions

• No solution

Which variable is best to eliminate"
3x - 6y = 15
-3x + 8y = 19

• x

• y

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

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

• Add the equations to eliminate y

• Multiply the first equation by 2

• Add the equations to eliminate x

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 2

• Add the equations to eliminate x

Solve the system by the elimination method.

Solve the system by the elimination method.

Solve the system by the elimination method.

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

• intersecting lines

• parallel lines

• skew lines

• intersecting lines