Elimination Practice

Elimination Practice

Brought to you by: Ms. Torrefranca and Mr. Carozza

Use the chart to the right as a reminder

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Don't ​ Forget your basic calculations.

Fill in the Blanks

What is $-8+17$  ?

Fill in the Blanks

What is $16+\left(-4\right)$  ?

Fill in the Blanks

What is $20\ -\ \left(-4\right)$  ?

Fill in the Blanks

What is $-5-\left(-8\right)$  ?

Use the chart to the left t​o remind yourself about the signs.

​Let's focus on Division

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Fill in the Blanks

What is $\frac{20}{-5}$  ?

Fill in the Blanks

What is $\frac{-45}{15}$  ?

Fill in the Blanks

What is $\frac{-18}{-2}$  ?

One Solution

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​​No Solution

Infinitely Many Solutions

Multiple Choice

Solve the following system using Elimination

$$2x+3y=20$$  

$$-2x+y=4$$  

• No Solution

• Infinitely Many Solutions

• (1, 6)

• (0, -4)

Multiple Choice

Solve the following system for x using Elimination

$$3x-4y=\ -5$$  

$$-10x+4y=12$$  

• x = -1

• x = 1

• The limit does not exist

• y = 4

Multiple Choice

Solve the following system:

$$-2x+y=7$$  

$$5x+y=-21$$  

• No Solution

• (-1, -4)

• (-4, -1)

• (3, 5)

Multiple Choice

Solve the following system:

$$x-4y=8$$  

$$-2x-4y=-4$$  

• (4, 1)

• Infinitely Many Solutions

• (1, -4)

• No Solution

Multiple Choice

Solve the following for x.

$$-5x+15=-30$$  

• x = 15

• x = -15

• x = -9

• x = 9

Multiple Choice

Decide which method is best to solve the system:

$$-4x+6y=12$$  

$$4x+7y=-10$$  

• Elimination

• Substitution

Multiple Choice

Decide which method is best to solve the system:

$$y=-4x+8$$  

$$2x+y=-4$$  

• Elimination

• Substitution

Multiple Choice

Solve the following for x.

$$14+6x=26$$  

• y = 2

• x = 2

• x = -2

• x = 14

Multiple Choice

What number should you multiply the bottom equation by so we can Eliminate the x variable?

$$-3x-2y=-9$$  

$$-x+y=\ 7$$  

• -3

• 3

• 2

• 9

Multiple Choice

What number should you multiply the top equation by so we can Eliminate the x variable?

$$-x-y=-7$$  

$$4x-y=23$$  

• -3

• 3

• 4

• 9

Multiple Choice

Decide which method is best to solve the system:

$$-x+y=10$$  

$$x-y=\ -14$$  

• Elimination

• Substitution

Multiple Choice

Solve the following for x.

$$-3x+9=21$$  

• y = 4

• x = 3

• x = 4

• x = -4

Multiple Choice

What number should you multiply the top equation by so we can Eliminate the y variable?

$$8x+y=5$$  

$$-2x-2y=\ -10$$  

• 3

• -2

• 4

• 2

Open Ended

What are you doing this weekend that you are looking forward to?