CWA-PTB_97_04

CWA-PTB_97_04 - CALCULUS WITH APPLICATIONS Name: Pretest,...

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CALCULUS WITH APPLICATIONS Name: Pretest, Form B Choose the best answer. 1. Evaluate the expression y 2 z x 2 +6 when x = 2 ,y =4 , and z = 8 . 1. (a) 12 5 (b) 4 (c) 12 (d) 4 5 Perform the indicated operations. 2. ( x 2 3 x +7 ) + ( 4 x 3 6 x 2 5 x +4 ) 2. (a) 4 x 3 6 x 4 8 x 2 +11 (b) 4 x 3 5 x 2 8 x (c) 4 x 3 5 x 2 2 x (d) 4 x 3 7 x 2 8 x 3. (5 x 4 w ) 2 3. (a) 25 x 2 16 w 2 (b) 25 x 2 +16 w 2 (c) 25 x 2 40 wx w 2 (d) 25 x 2 20 wx w 2 4. ( x 3) ( x 2 + x 2 ) 4. (a) x 3 2 x 2 5 x +6 (b) x 3 3 x 2 5 x (c) x 3 3 x 2 x (d) x 3 2 x 2 +5 x 5. (4 x +9)(4 x 9) 5. (a) 16 x 2 +72 x 81 y 2 (b) 16 x 2 72 xy 81 y 2 (c) 16 x 2 81 y 2 (d) 16 x 2 72 xy +81 y 2 Factor each polynomial completely. 6. 14 a 2 b 3 7 a 2 b 2 +35 ab 4 6. (a) 7 ab ( 2 ab 2 ab b 3 ) (b) a 2 b 3 ( 14 7 b b 2 ) (c) 7 a 3 b ( 2 b 2 7 b b 3 ) (d) 7 ab 2 ( 2 ab a b 2 ) 7. 6 xt +8 x 3 yt 4 y 7. (a) (2 x y )(3 t +4) (b) (2 x + y t 4) (c) (2 x y t 4) (d) (2 x + y t 5
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6 CALCULUS WITH APPLICATIONS Pretest, Form B Solve each equation.
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CWA-PTB_97_04 - CALCULUS WITH APPLICATIONS Name: Pretest,...

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