
Writing System of Equations as a matrix
Presentation
•
Mathematics
•
10th - 12th Grade
•
Medium
Standards-aligned
Amber Drake
Used 10+ times
FREE Resource
7 Slides • 8 Questions
1
Writing System of Equations as a Matrix
2
Write down each slide as your notes and each example that follows.
3
Step 1: Make sure each equation is in the same order. **alpha order**
Example: Ax + By + Cz = D
4
Example 2:
Write this system in alpha order for all 3 equations.
5
Explanation on Example 2:
Write this system in alpha order for all 3 equations.
6
Multiple Select
Which of the following are in alpha order already?
7
Multiple Choice
To get the 3rd equation in the correct order. Which of the following has put the 3rd equation in the CORRECT order?
CORRECT AS IS
9x−5y−6z=41
9x+5y+6z=41
9x−5y+6z=−41
8
Multiple Choice
Based on this system, what is the correct alpha order this system should be in?
(x,y,z)
(p,q,r)
(r,p,q)
order does not matter
9
Step 2: Write the system of equations as a matrix.
10
Multiple Choice
Given this system, what numbers should go in the first ROW of this matrix?
11
Multiple Choice
Given this system, what numbers should go in the 2nd ROW of this matrix?
12
Multiple Choice
Given this system, what numbers should go in the 3rd ROW of this matrix?
13
Multiple Choice
Write the following system as a matrix.
correct matrix is not shown
14
Moving from Matrix back to System of Equations
15
Multiple Choice
Which of the following systems is NOT correct for the given matrix?
Writing System of Equations as a Matrix
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