2.8: Systems of Equations in Three Variables Lesson

3 Slides • 5 Questions

1

2.8: Systems of Equations in Three Variables

Monday, November 2 / 2020

2

Open Ended

what is the value of x.

3x -3y = 6

y = -1

Type response here

3

4

Multiple Choice

$2x+y-2z=12$
$3x-y-4z=26$
$x+3y+z=0$

Solve the system

1

A.) (-4, 10, 2)

2

B.) (10, -4, 2)

3

C.) (10, 4, -2)

4

D.) (4, -10, -2)

5

Open Ended

The solution to the system of equations

3x+2y-z=13;\ \

2x+4y+z=15;

4x-y+2z=3

is …

Type response here

6

7

Multiple Choice

What is your solution if your variables go away and you are left with 0 = 0?

1

A.) No Solution

2

B.) All Real Numbers

3

C.) Infinitely Many Solutions

4

D.) (x, y, z)

8

Multiple Choice

Solve the system:

1

$\left(A.\right)\ \ \ \left(8,\ 0,3\right)$

2

$\left(B.\right)\ \ \ \ \left(-8,\ 0,3\right)$

3

C.) Infinitely Many Solutions

4

D.) No Solution

2.8: Systems of Equations in Three Variables

Monday, November 2 / 2020

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