Understanding and solving linear equations in three variables

Understanding and solving linear equations in three variables

9th - 12th Grade

20 Qs

quiz-placeholder

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Understanding and solving linear equations in three variables

Understanding and solving linear equations in three variables

Assessment

Quiz

Mathematics

9th - 12th Grade

Hard

Created by

Wayground Content

FREE Resource

20 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

CHALLENGE: Three equations.
x + y + z = 4
x = -2y
z = -3y
Solve the system of equations using substitution.
x = 2
y = -1
z = 3
x= -5
y = 3
z = 1
x = 10
y = -2
z = 0
x= 4
y = 1
z = -1

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Given the following system of equations: 
2x + 3y + z = 27
x + 5y - 3z = 52
-3x + y + 2z = -16
 
Solve for x + y.
12
5
7
8

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Solve the system:


x+y-z= -1

4x-3y+2z=16

2x-2y-3z=5

(3, -1, 2)

(-1, 4, 2)

(-2, 2, -1)

(2, -2, 1)

4.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Media Image
Solve for x, y and z.
(2, 5, 6)
(6, 5, 2)
(2, 6, 5)
(6, 2, 5)

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Given system of linear equations:


 x+3y+z=0x+3y+z=0 
 2xy+z=52x-y+z=5 
 3x3y+2z=103x-3y+2z=10 
The value of    x.y.z=....x.y.z=.... 

- 4

- 3

- 2

2

4

6.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Media Image
Solve the system.
x=-1
y=2
z=-2
x=2
y=1
z=-1
x=-2
y=-1
z=-2
x=2
y=2
z=-1

7.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Media Image

Solve the system of equations, and sum up the x, y, and z for the final answer below:

6, x is the smallest number

6, z is the smallest number

-6, z is the smallest number

-6, x is the smallest number

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