Week 4 cumulative test[1]

Week 4 cumulative test[1] - MAT 106 Algebra 1A Week # 4...

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MAT 106 Algebra 1A Week # 4 Chapter 2 Cumulative Test Name  All Multiple Choice questions are worth 1 point. Fill-in-the-blank questions are 3  points each. Short Answer questions are worth 4 points. You are required to  show all of your work in the multiple-choice questions in order to qualify for  maximum points.  Multiple Choice Questions 1. Is 4 a solution to the equation  x  + 7 = 11? A) Yes B) No Ans A) Yes 7 7 11 7 4 x x + - = - = 2. Is –4 a solution to the equation 7 x  – 5 + 3 x  = 6 +  x  – 10? A) Yes B) No Ans B) No 10 5 4 10 5 5 4 5 9 1 9 1 9 9 1 9 x x x x x x x x x - = - - - + = - - + = = = Page 1
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3. Is –10 a solution to the equation 3 – 6 x  = 63? A) Yes B) No Ans A) Yes 3 6 6 63 63 6 63 60 6 60 6 6 6 10 x x x x x x - + - = + - - = - = - = 4. Solve.     10 x  – 0.52 = 9( x  – 0.91) A) –7.53 B) –7.67 C) –7.88 D) –7.33 Ans B) -7.67 10 0.52 9 8.19 10 0.52 9 0.52 0 8.19 9 0.52 7.67 x x x x x x x - = - - - + = - - + = - 5. Find the mean and the median. –2,  7 4 - 3 4 , 4, 9 A) Mean 2, Median  3 4 B) Mean 10, Median 2 C) Mean 2, Median 2 D) Mean 10, Median  3 4 Ans A) Mean 2, Median  3 4 MAT106 Test Ch. 2    Page 2
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2 5( 1) 26 2 5 5 26 7 5 26 x x x x x + + = + + = + = 7 3 2 4 9 4 4 5 8 7 3 16 36 4 4 4 4 4 5 40 4 5 10 5 2 Mean - - + + + = - - + + + = = = = Median is the number that occur at the center of the Data Set which is  3 4 6. Translate the following statement into an algebraic equation.  Let  x  represent the  number. 12 less than 5 times a number is 18.
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Week 4 cumulative test[1] - MAT 106 Algebra 1A Week # 4...

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