Alg1 Elimination day 1 EXIT TICKET

Definition:

Elimination Method is the process of eliminating one of the variables in a system of equations using addition or subtraction in conjunction with multiplication or division and solving the system of equations.

Multiple Choice

Which method of solving a system of equations uses the following rule: 
Align the like terms  

• Graphing
• Elimination
• Substitution

Multiple Choice

What conditions are best for using Elimination Method to solve a system of linear equations?

• The equations must have the same number of variables.
• The coefficients of both variables must be zero.
• The system must have a unique solution.
• The coefficients of one variable can be easily manipulated to be the same or opposites.

Reorder

Reorder the following:

• Align your variable terms.

• Identify variable terms with equal or opposite coefficients.

• Add or subtract all terms.

• Solve for the remaining variable.

• Use the solved variable to solve for the other.

1

2

3

4

5

• 1
• 2
• 3
• 4
• 5

Multiple Choice

Would addition or subtraction be the way to eliminate a variable term?

2x + 2y = -2

3x - 2y = 12

• Addition

• Subtraction

Multiple Choice

After SUBTRACTING, what is the resulting combined equation to the following system:

5x - 4y = 11

5x + 4y = -14

• 8y = -25
• 0 = 25
• -4y = 25
• -8y = 25

Multiple Choice

After ADDING, what is the resulting combined equation to the following system:

5x - 4y = 11

5x + 4y = -14

• 5x = -3

• 10y = -3

• 10x = -3

• 10x = -25