Solving Systems with Elimination

Elimination Notes

Multiple Choice

Solve for x.

5x= 35

• 3

• 10

• 5

• 7

Multiple Choice

Solve for y.

10y = 4

• 3/5
• 1/2
• 2/5
• 4/5

Multiple Choice

Solve for y when x = -2.

3x + 4y = 18

• 26/3

• 6

• 4

• 10/3

Multiple Choice

What is the new equation after Eq 1 and Eq 2 are added together?

• -2x = 8

• 8x = 32

• -2x = -8

• 8x = -32

Multiple Choice

What is the new equation after Eq 1 and Eq 2 are subtracted?

• -13x = 21

• 13x = 21

• -x = 65

• x = 65

Multiple Choice

What is the new equation after Eq 1 and Eq 2 are added together?

• -11y = 104

• 7y = 78

• 7y = 104

• -11y = 78

Multiple Choice

What is the new equation after Eq 1 and Eq 2 are subtracted?

• 6y + z = 1

• 4y + z = -1

• 4y + 3z = 1

• 6y + 3z = -1

Word Cloud

Type another word or phrase that means "eliminate."

Multiple Choice

What do you need to multiply Eq 1 by to eliminate x?

• -8

• 8

• -2

• 2

Multiple Choice

What do you need to multiply Eq 1 by to eliminate y?

• -8

• 8

• -2

• 2

Multiple Choice

What do you need to multiply Eq 2 by to eliminate x?

• -6

• 6

• 4

• 5

• -7

Drag and Drop

To eliminate x, multiply Eq 1 by ​

Placeholder

and Eq 2 by ​

Placeholder

.

To eliminate y, multiply Eq 1 by ​

Placeholder

and Eq 2 by ​

Placeholder

.

To eliminate z, multiply Eq 1 by ​

Placeholder

and Eq 2 by 7.

Drag these tiles and drop them in the correct blank above

5

-7

2

3

-2

-3

7

Draw

Draw a picture of something that requires electricity.

​Special Cases

Multiple Choice

Find the solution.

• (3/2, 1)

• (-1, 2)

• (1, 1/2)

• (2, -1/2)

• (-2, 1)

Multiple Choice

Find the solution.

• No Solution

• Infinite Solutions

• (0, 31.5)

• (-0.5, -0.6)

• (0, 0)

Poll

How do you feel using Elimination to solve systems?

• I'm confident!!

• I need more practice.

• I like substitution better.

• This seems easy.