What must be true in order to ADD two matrices?

The column of the 1st must equal the row of the 2nd.

What must be true in order to ADD two matrices?

The column of the 1st must equal the row of the 2nd.

A rectangular arrangement of numbers

An equation of over 5 numbers or symbols

A method of finding the n th value of a series

The school that Laura goes to is selling tickets to the annual talent show. On the first day of ticket sales the school sold 4 senior citizen tickets, 2 adult tickets and 5 child tickets for a total of $55. The school took in $67 on the second day by selling 7 senior citizen tickets, 2 adult tickets and 5 child tickets. On the third day the show earned $46 when they sold 2 senior citizen tickets, 4 adult tickets and 2 child tickets. What is the price each of one senior citizen ticket, one adult ticket and one child ticket?

Adult: $12 Child: $8 Senior: $8

I did not get any of the answers above so I am assuming none ofthe above.

not possible because rows do not match columns

Matrices can be used to

solve sets of simultaneous equations

Unit 1 Matrices Unit Test Post

Authored by Margaret Whitman

Mathematics

12th Grade

CCSS covered

Used 49+ times

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MULTIPLE CHOICE QUESTION

1 min • 1 pt

The table shows the number of books two students read each month. Which matrix displays the data in the table?

Tags

CCSS.HSN.VM.C.6

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Tags

CCSS.HSN.VM.C.8

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Tags

CCSS.HSN.VM.C.8

CCSS.HSN.VM.C.6

MULTIPLE CHOICE QUESTION

1 min • 1 pt

For $S_{2\ x\ 6}$ and $T_{6\ x\ 5}$ , what are the dimensions of ST?

2 x 2

2 x 5

5 x 6

6 x 6

Tags

CCSS.HSN.VM.C.8

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Tags

CCSS.HSN.VM.C.8

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Tags

CCSS.HSN.VM.C.8

MULTIPLE CHOICE QUESTION

1 min • 1 pt

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Unit 1 Matrices Unit Test Post

The table shows the number of books two students read each month. Which matrix displays the data in the table?

For S2 x 6S_{2\ x\ 6}S2 x 6​ and T6 x 5T_{6\ x\ 5}T6 x 5​ , what are the dimensions of ST?

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For $S_{2\ x\ 6}$ and $T_{6\ x\ 5}$ , what are the dimensions of ST?