# Systems of Equations and Inequalities.docx - Unit 2 Test:...

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Unit 2 Test: Systems of Equations and Inequalities (Algebra II B - CIS+)Back to AssignmentsQuestion Number 1Points: 5.00/5.00Question TextSolve the following system of equations using matrices.3x– 2y= 313x+ 2y= -1
Question Number 2Points: 0.00/5.00Question TextIdentify the system of equations used to solve the following problem. How much of a 60% saline solution would youneed to add to pure water to create 10 L of a 50% saline solution?
Question Number 3Points: 5.00/5.00Question TextUsing the graph, solve the system.y=2x−1y=|x−2|
Question Number 4Points: 5.00/5.00Question TextSolve the following system of equations using matrices.x+y= 12x+ 5y= 4
Question Number 5Points: 5.00/5.00Question TextWhat is the system of equations that describes the following graph?

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