Test2Spring

# Test2Spring - = x x f and x x x g 3 ) 2 ( 2 ) ( + + = ....

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Name: ___________________________ Intermediate Algebra Test #2 – Chapters 3 and 4 SHOW ALL WORK!!! 1. (10 pts.) Sean’s motorboat took 3 hours to make a trip downstream with a 6 mph current. The return trip against the same current took 5 hours. Find the speed of the boat in still water. Write your solution in a sentence! You must use algebra to solve this problem. If you don’t, you will get less points. 2. (10 pts.) Solve by graphing: - = - - = + 3 11 3 x y y x If you do not graph the lines, you will get 0 points. 1

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3. (10 pts.) Solve the following system of equations. Show all work!!! 6 2 1 2 13 2 3 - = + + = + + - = - + - z y x z y x z y x 2
4. (10 pts.) Find all values of x such that ) ( ) ( x g x f , where ) 2 2 ( 13 ) ( + -

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Unformatted text preview: = x x f and x x x g 3 ) 2 ( 2 ) ( + + = . Graph your solution and write the solution in both Interval Notation and set builder notation. Graph: Interval Notation: Set Builder Notation: 5. (5 pts.) Solve the following for x . Write your solution in interval notation and as a graph: 4-x Graph: Interval Notation: 3 6. (10 pts. each) Solve and graph the solution: a. 19 3 2 25 +-a Graph: b. 2 1 4 5 2 -x Graph: 4 7. (10 pts.) Let 3 2 1 ) ( x x h-= . Find all values of x such that 15 ) ( = x h 8. (25 pts.) Solve the following absolute value equations: a. 1 9 5 2-=--x 5 b. 7 6 + =-t t c. 5 4 9 = + + x 6...
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## Test2Spring - = x x f and x x x g 3 ) 2 ( 2 ) ( + + = ....

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