Gaussian Elimination Method
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Gaussian Elimination Method
Quiz
•
Mathematics
•
9th Grade
•
Practice Problem
•
Easy
Standards-aligned
Anthony Clark
Used 1+ times
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Solve the system:
x + 6y = 17
-x + 3y = -8
(5, 2)
(11, 1)
(1, 11)
no solution
Tags
CCSS.8.EE.C.8B
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
−4x − 4y = 0
4x + 4y = 0
(−6, −4)
Infinite number of solutions
No Solution
(6, 4)
(0,0)
Tags
CCSS.8.EE.C.8B
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
5x - 4y = 11
5x + 4y = -14
which variable will be eliminated?
x
y
none!!!!!!!
both
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
what is the variable that willl be "eliminated"?
5x - 4y = 11
5x + 4y = -14
x variable
y variables
both variables
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
5.
MULTIPLE SELECT QUESTION
1 min • 1 pt
Which operation would allow elimination by either addition or subtraction? (check all that apply---take your time!)
Double the bottom row
Divide the top row by 2
Multiply the bottom row by 4
Multiply the top row by 4
Multiply the top row by 2 and the bottom row by 4
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
solve the system
No solution
infinite solutions
(0,0)
(5,1)
(5,0)
Tags
CCSS.8.EE.C.8B
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Solve by elimination
-12x-4y= -8
-6x-2y= -4
no solution
(0,0)
infinite solutions
(4,0)
Tags
CCSS.8.EE.C.8B
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