3.2 Day 2

3.2 Day 2

Objective: Students will solve systems of equations by using elimination method at 75% mastery.

Multiple Choice

what is the resulting combined equation for the system below?

9x + y = 12

-9x + y = 6

• -18x = 18

• y = 18

• 2y= 18

• 18x + 2y = 18

Multiple Choice

what is the resulting combined equation for the system below?

9x + y = 12

-9x + y = 6

• -18x = 18

• y = 18

• 2y= 18

• 18x + 2y = 18

Lesson Links

https://www.youtube.com/watch?v=wuflNZzGMHY

https://www.youtube.com/watch?v=NRxh9Q16Ulk

Multiple Choice

Solve by elimination
-12x-4y= -8 
  -6x-2y= -4

• no solution 
• (0,0)
• infinite solutions 
• (4,0)

Multiple Choice

Solve the system by elimination.

−4x − 4y = 0

4x + 4y = 0

• (−6, −4)

• Infinite number of solutions

• No Solution

• (6, 4)

• (0,0)

Math XL Assignment

"3.2 Elimination Method"

Steps for Math XL

1.Click on the link https://www.hammond.k12.in.us/portals

2. Find Pearson Portal

3. Sign in w/ school email & password

4. Locate class ex: Algebra II B - 2(A) - S2

5. Click on "MathXL for School (for all courses)"

6. Go to Homework and Test