
Systems of Linear Equations and Matrices
Authored by Anthony Clark
Mathematics
12th Grade
CCSS covered

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10 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which of the following are ways to solve systems of equations?
Graphing
Substitution
Elimination
All of the above
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Solve the system by elimination.
−4x − 4y = 0
4x + 4y = 0
(−6, −4)
Infinite number of solutions
(−6, 10)
(6, 4)
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The solution of a system of three linear equations in three variables, x,y, and z, is called a(n) ___________________ (x,y,z).
Ordered Pair
Integer
Ordered Triple
Sum
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What are the dimensions of this matrix?
2 x 3
3 x 2
6 x 1
1 x 6
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Dimensions?
a
b
c
d
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
How many rows are in a 7 x 3 matrix?
7
3
21
10
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the entry at r31?
3
1
4
7
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