159E1-S2010

# 159E1-S2010 - MA 15900 1 Factor the polynomial completely...

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MA 15900 EXAM 1 SPRING 2010 1 1. Factor the polynomial completely. 2 x 8 162 1) ( x 2 + 3) 2 ( x 2 2 2) ( x 4 + 9)( x 2 3) ( x 4 + 9)( x 2 + 3)( x 2 4) ( x 2 + 3)( x 2 5) ( x 4 + 9)( x 4 9) 6) 2( x 2 + 2 ( x 2 2 7) 2( x 4 + 9)( x 2 8) 2( x 4 + 9)( x 2 + 3)( x 2 9) 2( x 2 + 3)( x 2 2. Express as a polynomial. ( t 2 + 2 t 5)(3 t 2 t + 2) 1) 3 t 4 + 5 t 3 15 t 2 + 9 t 10 2) 3 t 4 + 7 t 3 19 t 2 + 9 t 10 3) 3 t 4 + 7 t 3 + 11 t 2 t + 10 4) 3 t 4 + 7 t 3 19 t 2 t + 10 5) 3 t 4 + 7 t 3 4 t 2 + 4 t 6) 6 t 3 17 t 2 + 9 t 10 7) 3 t 4 + t 3 17 t 2 + 5 t 10 8) 3 t 4 2 t 2 10 9) None of the above 3. Simplify the expression. ( x + h ) 3 4( x + h ) + 3 ( x 3 4 x + 3) h 1) h 2 + 4 2) h 2 4 3) 3 x 2 + 3 xh + h 2 + 4 4) 3 x 2 + 3 xh + h 2 4 5) 3 x 2 h + 3 xh 2 + h 3 + 4 h 6) 3 x 2 h + 3 xh 2 + h 3 4 h 7) 3 x 2 h + 3 xh 2 + h 3 8 x + 6 + 4 h 8) 3 x 2 h + 3 xh 2 + h 3 8 x + 6 4 h 9) None of the above

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MA 15900 EXAM 1 SPRING 2010 2 4. Simplify the expression. 3 y y + 2 + 5 y y 2 40 y 2 4 1) 8( y 5) 2) 8( y 5) ( y + 2)( y 2) 3) y 2 8 y + 36 4) y 2 8 y + 36 ( y + 2)( y 2) 5) 4( y + 3)( y 3) ( y + 2)( y 2) 6) 4( y 2 10) ( y + 2)( y 2) 7) 4( y 5) ( y + 2) 8) 4( y + 5) ( y + 2) 9) None of the above 5. Determine the value(s) of d that complete the square for the expression. x 2 + dx + 16 1) d = ± 64 2) d = 64 3) d = ± 8 4) d = 8 5) d = ± 4 6) d = 4 7) d = ± 2 8) d = 2 9) None of the above
MA 15900 EXAM 1 SPRING 2010 3 6. Express the number in the form a b , where a and b are integers.

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159E1-S2010 - MA 15900 1 Factor the polynomial completely...

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