SOLUTION: What is the determinant? |5 7| |3 8| This is altogether but I couldn't make a straight line that was long enough

Question 613276: What is the determinant?
|5 7|
|3 8|
This is altogether but I couldn't make a straight line that was long enough
Found 3 solutions by Alan3354, brittanylynn, smaraya:
Answer by Alan3354(69443)   (Show Source): You can put this solution on YOUR website!
What is the determinant?
|5 7|
|3 8|
----------
Det = 5*8 - 3*7
= 19

Answer by brittanylynn(1)   (Show Source): You can put this solution on YOUR website!
5*8 - 3*7
40 - 21
Determinant = 19

Answer by smaraya(8)   (Show Source): You can put this solution on YOUR website!
the Ans is 19
(5)(8)-(7)(3)=19

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