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

##### Browse Questions
• Arts (231)
• English Language Arts (1752)
• English as a Second Language ESL (780)
• Health and Medicine (437)
• Life Skills (672)
• Math (444)

• ### Vectors

• #### Trigonometry

• Physical Education (235)
• Science (1551)
• Social Studies (940)
• Study Skills and Strategies (32)
• Technology (92)
• Vocational Education (193)

You can create printable tests and worksheets from these Grade 12 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.

Previous Next
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. $[[1,-2],[-3,4]]$
Jack is keeping track of the scores for his favorite teams in 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 $[[10,3],[2,4]]$.
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. $[[4,-3],[-2,10]]$
Perform the indicated operations. If the matrix does not exist, write impossible.

$[[8,3],[-1,-1]]-[[0,-7],[6,2]]$
1. $[[-8,-10],[-7,-3]]$
2. $[[-3,10],[-7,8]]$
3. $"Impossible"$
4. $[[8,10],[-7,-3]]$
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. $[[2,0,8],[1,3,6]]$
The matrix $[[1,2,3],[4,5,6],[7,8,9]]$ multiplied by the vector $< 1,2,3 >$ equals:
1. $[[1,4,9],[4,10,18],[7,16,27]]$
2. $[ [14],[32],[50]]$
3. $[[12],[30],[54]]$
4. $[[1,2,3],[8,10,12],[21,24,27]]$
Find the inverse of the matrix $[[5,2],[4,6]]$.
1. $[[3/11,-1/11],[-2/11,5/22]]$
2. $[[6,-2],[-4,5]]$
3. $[[132,-44],[-88,110]]$
4. $[[-6,2],[4,-5]]$
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. $[[3,1],[-2,4]]$
Which matrix would transform the vector $< 4,2,7 >$ to the vector $<20,23,51 >$ ?
1. $[[0,3,2],[4,0,1],[3,2,5]]$
2. $[[3,2,5],[4,0,1],[0,3,2]]$
3. $[[0,4,3],[3,0,2],[2,1,5]]$
4. $[[5,1,2],[2,0,3],[3,4,0]]$
$[[0,2],[5,1]]+[[4,2],[2,7]] =$
1. $[[4,4],[7,8]]$
2. $[[4,0],[3,6]]$
3. $[[2,9],[9,3]]$
4. $[[0,12],[45,9]]$
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. $[[9,1,6],[3,0,7],[4,2,1]]$
The matrix $[[2,6,1],[4,1,8]]$ multiplied by the vector $< 4,10,-5 >$ equals:
1. $[[8,60,-5],[16,10,-40],[0,0,0]]$
2. $[ [16,10,-40],[8,60,-5]]$
3. $[[24],[70],[-45]]$
4. $[[63],[-14]]$
If Matrix A = $[(-3,1),(-2,4),(5,-1)]$ and Matrix B = $[(4,-3),(0,-2),(-2,4)]$, then what is $3A-2B$ ?
1. $[(-1,-3),(-6,8),(11,5)]$
2. $[(-1,9),(-6,8),(11,5)]$
3. $[(-1,9),(-6,8),(11,-11)]$
4. $[(-17,9),(-6,16),(19,-11)]$