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## Discrete Math Unit 1 and 2 ReviewAuthor: Sturdivant VictoriaDescription: match each to its correct pair.Keywords: , , , , , , online teachingContent:Definitions: 0. transpose a matrix 1. inverse of a matrix 2. when is the inverse undefined 3. When can I multiply matrices 4. How do I find the resulting dimensions from matrix multiplication 5. What is a row matrix? 6. How do I solve a system by matrices 7. natural numbers only 8. rational numbers 9. determinant 10. whole numbers only 11. integers only 12. irrational numbers 13. ways to solve systems of equations 14. inverse of matrix A 15. when can I multiply a scalar by a matrix Answers: 0. switch the rows and columns 1. when the determinant is 0. 2. A^-1 3. when the dimensions are 1x4 4. substitution elimination matrices graping 5. use the row of the first matrix and the column of the second matrix. 6. when the row of the second matrix equals to column of the first matrix 7. -5, 0, 4 squrt (64) 8. (1/ad-bc) times [d -b] [-c a] 9. ad-bc 10. squrt(2) squrt (8) 11. Inverse of the coefficient matrix times the constant matrix 12. 5, squrt (36), 10 13. this is always defined, just multiply b a constant 14. .5, -1.5, 0, 10 squrt (100) 15. 0, squrt (25), 4 |