Elimination Method

Presentation

•

Mathematics

•

9th Grade

•

Easy

•

CCSS

8.EE.C.8B, RI.11-12.10, RI.7.7

+12

Standards-aligned

Sage Chorley

Used 4+ times

FREE Resource

15 Slides • 13 Questions

Elimination Method

Open Ended

Do you have any good things to share? If so, what is your good thing? [Mine is that I got my new glasses yesterday!]

Type response here

Poll

How are you feeling today?

Happy

Sad

Mad

Tired

Poll

This week, I've mainly been...

happy.

sad.

lonely.

frustrated.

Poll

The color that makes me smile MOST is...

Blue

Yellow

Orange

Pink

Purple

Here is a situation...

The perimeter of a triangle is 31cm. Sides #1 and Sides #2 have equal length,

while Side #3 is one centimeter shorter than twice the length of Side #1.

Lets determine how long each side is.

Open Ended

Let x represent the length of Side #1. What essential part of this let statement is missing? What is the length of Side #2? Side #3?

Type response here

Open Ended

Write a mathematical sentence that states that the perimeter is 31cm.

Type response here

Open Ended

Solve the equation you found and determine the length of each side.

Type response here

Elimination Method part 1

Open Ended

When is the best time to graph a system of equations?

Type response here

Open Ended

When are the three times where the elimination method is better?

Type response here

Multiple Choice

The solution (answer) to a system of equations is ____________

the point where the 2 lines intersect

the graph of a line

only finding what x = __

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)

Multiple Choice

Solve using Elimination Method:

4x+ 9y = 28

-4x -y = -28

(-7,0)

(6,0)

(-6,0)

(7,0)

(6,7)

Open Ended

What is one thing that you learned today in class?

Type response here

Elimination Method

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