Name:___________________________''''''''''''''''Take%Home)Quiz)1'''''''''''''''''''''Due:'August'27,'2013'Period:__________________________''''''''''''''''''''''Pre9Calculus' Instructions: Show your work for full credit. Circle the best answer choice. 1. Which of the following is a factor of the polynomial 2x2 – 3x – 5 ? A. x – 1 B. 2x – 3 C. 2x – 5 D. 2x + 5 E. 3x + 5 2. What is the x-intercept of the graph of y = x2 – 4x + 4 ? A. –2 B. –1 C. 0 D. 1 E. 2

3. Which of the following is equivalent to ?

A.

B.

C.

D.

E. 4. What is the value of 4v(w2 – 3vw) given that v = –1 and w = 4 A. –84 B. –92 D. –98 E. –104 F. –112 5. Which of the following is NOT a factor of 4x2y4 – 12x3y2 – 8xy3? A. 2x2 B. 2xy2 C. –2y D. 4y2 E. 4xy

6. What is the value of x if !!!!!!!"!!! = 3!? A. 17 B. –17 C. 29 D. –29 E. Cannot be determined from the information given. 7. Which of the following is the domain of the function ! ! = !!!

!!!!? A. –3 > x > 3 B. –3 ≤ x ≤ 3 C. –3 ≤ x < 3 D. x < –3 or x < 3 E. x ≤ –3 or x ≥ 3 8. For all x >2, !!

!!!!"!!"!!! !simplifies to

A. 2(x - 2) B. x + 3 C. 2(x + 3)(x - 2) D. x - 2 E. 2(x + 3) 9. If (a + b)2 = 25 and (a - b)2 = 45, then a2 + b2 = ? A. 35 B. 70 C. 625 D. 2025 E. 4900 10. How many solutions are there to the equation 2x2 − 8 = 0? A. 8 B. 2 C. 4 D. 1 E. 0 11. Which of the following is a solution to the equation x2 − 16x = 0? A. −16 B. 4 C. 16 D. −4 E. 32

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