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ch 5

inequalities and compound sentences

QuestionAnswer
what is a compound sentence? A sentence in which two clauses are connected by the word and or by the word.
which property is the following.. if a < b, then a + c < b + c addition property of ineqality
solve the system. {x + y= 9 {2x - y= 2 The solution is (11/3,16/3)
What is a square matrices? Those with the same number of rows and columns.
State the system-determinant theorem. a 2x2 system has exsactly one solution if and only if the determinant of the coefficient matrix is not zero.
for what value of n does the system below have infinitely many solutions? {-3x + 2y = 7 { 9x + ny =-21 -6
What is the solution set for a system? The intersection of the solution sets for the individual sentences.
Created by: nikkrowley
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