Looking for Algebra worksheets?
Check out our pre-made Algebra worksheets!
 Tweet

# Matrices Questions - All Grades

You can create printable tests and worksheets from these Matrices questions! Select one or more questions using the checkboxes above each question. Then click the add selected questions to a test button before moving to another page.

1 2
Which matrix represents the system of equations $2x=8$ and $6=3y+x$?
1. $[[2,8,0],[6,3,1]]$
2. $[[8,2,0],[6,3,1]]$
3. $[[0,2,8],[6,3,1]]$
4. $[[2,0,8],[1,3,6]]$
If the matrix $[[2,9,8],[0,3,4],[1,11,3]]$ is multiplied by the scalar $5$, what is the result?
1. $[[7,14,13],[5,8,9],[6,16,8]]$
2. $[[10,45,40],[0,15,20],[5,55,15]]$
3. $[[3,4,1],[11,3,2],[9,8,0]]$
4. $[[10,0,5],[45,15,55],[40,20,15]]$
$[[5,2],[2,1]]-[[2,1],[4,-3]] =$
1. $[[3,1],[2,4]]$
2. $[[7,3],[6,-2]]$
3. $[[12,6],[2,1]]$
4. $[[3,1],[-2,4]]$
$[[0,2],[5,1]]+[[4,2],[2,7]] =$
1. $[[4,4],[7,8]]$
2. $[[4,0],[3,6]]$
3. $[[2,9],[9,3]]$
4. $[[0,12],[45,9]]$
The 5x5 identity matrix of looks like
1. $[[1,0,0,0,0],[0,1,0,0,0],[0,0,1,0,0],[0,0,0,1,0],[0,0,0,0,1]]$
2. $[[0,0,0,0,1],[0,0,0,1,0],[0,0,1,0,0],[0,1,0,0,0],[1,0,0,0,0]]$
3. $[[0,0,1,0,0],[0,0,1,0,0],[1,1,1,1,1],[0,0,1,0,0],[0,0,1,0,0]]$
4. A and B
If the matrix $[[27,9,12],[3,0,6],[18,21,3]]$ is multiplied by the scalar $1/3$, what is the result?
1. $[[9,3,4],[1,0,2],[6,7,1]]$
2. $[[30,12,14],[6,3,9],[21,24,6]]$
3. $[[27,9,12],[3,0,6],[18,21,3]]$
4. $[[9,1,6],[3,0,7],[4,2,1]]$
Find the inverse of the matrix $[[1,2],[3,4]]$
1. $[[-2,1],[3/2,-1/2]]$
2. $[[4,-2],[-3,1]]$
3. $[[4,2],[3,1]]$
4. $[[1,-2],[-3,4]]$
Which matrix below properly represents the system of equations?
$3x+8y-23z=14$, $34x-2y+53z=102$, $18x+51y+4z=16$
1. $[[3,34,18],[8,-2,51],[-23,53,4]]*[[x],[y],[z]]=[[14],[102],[16]]$
2. $[[3,8,-23],[34,-2,53],[18,51,4]]*[[x],[y],[z]]=[[14],[102],[16]]$
3. $[ [3,34,18],[8,-2,51],[-23,53,4] ]*[[z],[y],[x]]=[[16],[102],[14]]$
4. $[ [3,8,-23],[34,-2,53],[18,51,4] ]*[[x],[y],[z]]*[[14],[102],[16]]$
Find the inverse of the matrix $[[0,6],[2,8]]$
1. $[[4/6,2/4],[2/12,6/0]]$
2. $[[-2/3,1/2],[1/6,0]]$
3. $[[0,1/2],[1/6,2/3]]$
4. $[[96,-72],[-24,0]]$
Jack is keeping track of the scores for his favorite teams a series of basketball games. He records the initials of the team and score for each game. Which matrix represents the data he collected?
Round 1
SC 67
RG 103
PD 89

Round 2
RG 109
SC 86
PD 111

Round 3
PD 42
SC 99
RG 121
1. $[[67,103,89],[109,86,111],[42,99,121]]$
2. $[[67,86,99],[103,109,121],[89,111,42]]$
3. $[[42,99,121],[111,86,109],[67,103,89]]$
4. $[[67,109,42],[103,86,99],[89,111,122]]$
Find the inverse of the matrix $[[2,5],[1,6]]$
1. $[[42,-35],[-7,14]]$
2. $[[6/17,-5/17],[-1/17,2/17]]$
3. $[[2/7,5/7],[1/7,6/7]]$
4. $[[6/7,-5/7],[-1/7,2/7]]$
If the matrix $[[6,8,9],[1,0,2],[3,6,2]]$ is multiplied by the scalar 3, what is the result?
1. $[[9,11,12],[4,3,5],[8,9,5]]$
2. $[[18,24,27],[3,0,6],[9,18,6]]$
3. $[[3,5,6],[-2,-3,-1],[0,3,-1]]$
4. $[[9,8,6],[2,0,1],[2,6,3]]$
Which matrix represents the system of equations $3y+8x=16$ and $2x-4y=7$?
1. $[[3,8,16],[2,-4,7]]$
2. $[[16,8,3],[7,-4,2]]$
3. $[[8,3,16],[2,-4,7]]$
4. $[[7,-4,2],[16,8,3]]$
Find the inverse of the matrix $[[10,3],[2,4]]$
1. $[[5/17,3/34],[1/17,2/17]]$
2. $[[2/23,-3/46],[-1/23,5/23]]$
3. $[[2/17,-3/34],[-1/17,5/17]]$
4. $[[4,-3],[-2,10]]$
$[[5,2],[1,3]]xx[[4,3],[2,6]] =$
1. $[[20,6],[2,18]]$
2. $[[26,14],[8,24]]$
3. $[[10,12],[4,9]]$
4. $[[20,3],[4,18]]$
If the matrix $[[2,8,12],[3,4,0],[8,10,4]]$ is multiplied by the scalar $1/2$, what is the result?
1. $[[4,16,24],[6,8,0],[16,20,8]]$
2. $[[12,8,2],[0,4,3],[4,10,8]]$
3. $[[4,6,16],[16,8,20],[24,0,8]]$
4. $[[1,4,6],[1.5,2,0],[4,5,2]]$
$[[3,4],[2,6]]+[[1,5],[3,8]] =$
1. $[[2,-1],[-1,-2]]$
2. $[[3,20],[6,48]]$
3. $[[4,9],[5,14]]$
4. $[[18,24],[22,60]]$