Table of contents
- 0. Review of Algebra4h 16m
- 1. Equations & Inequalities3h 18m
- 2. Graphs of Equations43m
- 3. Functions2h 17m
- 4. Polynomial Functions1h 44m
- 5. Rational Functions1h 23m
- 6. Exponential & Logarithmic Functions2h 28m
- 7. Systems of Equations & Matrices4h 6m
- 8. Conic Sections2h 23m
- 9. Sequences, Series, & Induction1h 19m
- 10. Combinatorics & Probability1h 45m
7. Systems of Equations & Matrices
Introduction to Matrices
Multiple Choice
Multiple ChoiceSolve the system of equations by using row operations to write a matrix in REDUCED row-echelon form.
4x+2y+3z=6
x+y+z=3
5x+y+2z=5
A
x=0,y=−3,z=4
B
x=−41,y=−419,z=211
C
x=1,y=4,z=−2
D
x=21,y=21,z=1
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