153 - MA 15300 Exam 1A Fall 2010 1. Multiply and express as...

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MA 15300 Exam 1A Fall 2010 1 ) 1. Multiply and express as a polynomial () ( 34 5 6 xx −+ 2 2 2 2 .2 09 1 8 0 2 4 3 0 9 1 8 02 4 3 . None of the above Ax x Bxx Cx x Dx x E −− + +− + 2. If and , which of the following would produce a negative result? 0 x > 0 y < 2 2 . . . . All of the above. . None of the above. xy A x Bx y y D E 3. Simplify completely ( ) 3 21 23 1 + 81 . 8 71 . 8 79 . 8 .0 A B C D E
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MA 15300 Exam 1A Fall 2010 2 4. Simplify. Do not leave negative exponents in your answer. 2 25 32 3 xy ⎛⎞ ⎝⎠ 10 6 2 6 2 6 10 6 9 . . 9 9 . . 9 . None of the above. x A y x B y x C y x D y E 5 . Simplify completely. ( ) ( ) 35 4 62 x yx y () 10 24 10 2 .2 3 3 2 2 3 A xy x B y Cx y y Dx y x E x 6. Simplify. 1 1 5 4 16 (4 ) rr 1 20 1 10 2 9 9 20 .8 Ar B r Cr Dr Er
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MA 15300 Exam 1A Fall 2010 3 7. Divide and express as a polynomial 15 8 12 12 6 14 32 18 15 9 3 x yx y xy −+ 54 46 27 12 6 9 10 3 12 12 6 9 10 3 12 .1 5 1 2 6 .6 5 3 5 3 5 1 2 6 . None of the above. Ax y x y x y Bx y x y Cx y Dx y E 8. Which of the following is a factor of 9 34 8 4 x xy 2 2 6 .4 .
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153 - MA 15300 Exam 1A Fall 2010 1. Multiply and express as...

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