DS 71 iClicker Questions

DS 71 iClicker Questions - DS 71 Clicker Questions Chapter...

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DS 71 Clicker Questions
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Chapter 1 Review (Algebra and Equations) 1 . Factor completely x 2 - x – 56 A. (x + 8)(x - 7) B. (x + 1)(x - 56) C. Prime D. (x + 7)(x - 8) E. (x – 8)(x – 7) 2. Factor completely 4x 2 - 32x + 64 A. (4x - 16)(x - 4) B. (x - 4)(4x - 16) C. 4(x - 16)(x + 1) D. 4(x - 4)(x - 4) E. None of the above 3. Perform the indicated operations. Give the answer in lowest terms. 3 8 7 + r r A. ) 3 ( 15 21 r r r B. ) 3 ( 21 15 r r r C. ) 3 ( 15 21 r r r D. ) 3 ( 21 15 r r r 4. Use the quadratic formula to solve the equation. Give both exact and approximate answers. 4n 2 = -8n – 2 A. 2 6 2 ± B. 2 2 2 ± C. 8 6 2 ± D. 2 6 8 ±
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5. Perform the indicated operations. Give the answer in lowest terms. x 2 2 14 5 A. x x 14 14 5 B. x x 14 14 5 + C. x x 14 14 5 D . x 2 14 7 E . None of the above 6. Evaluate the expression: 4 -2 a. -16 b. 16 c. 16 1 d. 16 1 7. -8m – 16 is equivalent to: A. -8(m - 2) B. -16(2m + 1) C. -8(m + 2) D. -4(2m – 4) E. None of the above 8 . 4 . 3 2 = A. 9 B. 49 C. 144 D. 36 E. 24 9. 7 4 . 7 6 = A. 7 24 B. 7 10 C. 7 -2 D. 7 12 E. 7 2
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10. (x 3 ) 4 = A. x 7 B. x -1 C. x 1 D. x 12 E. x 3/4 11. (2x 2 – 11x + 8) – (7x 2 – 6x + 2) A. -5x 2 – 17x + 10 B. -5x 2 – 17x + 6 C. -5x 2 – 5x + 10 D. -5x 2 – 5x + 6 12. Factor 6p 2 – 7pq -5q 2 : A. (6p – 7q)(p – 5q) B. (3p – 5q)(2p + q) C. (3p + 5q)(2p – q) D. (2p – 5q)(3p + q) 13. = + 5 1 4 x A. 5 5 + x B. x 5 21 C. x x 5 20 + D. 20 + x 14. = ÷ 20 11 5 8 2 x x A. x 11 32 B. 100 88 3 x C. 25 19 3 x D. 100 88 x
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15. = 3 5 2 A. 8 125 B. 125 8 C. 8 125 D. 125 8 16. Solve |p – 4| = 2. A. p = 6 B. p = 2 C. p = -2 D. p = -6 E. p = 6 or p = 2 17. Solve |4m – 3| = |m + 6|. A. m = -3 or m = 3/5 B. m = -3 or m = -3/5 C. m = 3 or m = 3/5 D. m = 3 or m = -3/5
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Chapter 2 Graphs, Lines, and Inequalities 1. Understand Example 1 on p. 84 and use iclicker to choose the solution of the following problem. The slope of the line through (2,5) and (0,8) is: A. 2 3 B. 3 2 C. 2 3 D. 8 3 E. None of the above 2. Understand Example 6 on p. 86 and use iclicker to choose the solution of the following problem. The slope and y-intercept for 2x – y = 9 are: A. 9, -2 B. 2, -9 C. 2, 2 9 D. -2, 9 E. None of the above 3. Understand Example 8 (a) (b) on pp. 88 and 89 and use iclicker to choose the solution of the following problem. Determine whether the pair of lines 4x – 3y = 6 and 3x + 4y =8 is parallel, perpendicular, or neither. A. Parallel and perpendicular B. Parallel C. Neither Parallel nor perpendicular D. Perpendicular 4. Understand Example 10 on p. 90 and use iclicker to choose the solution of the following problem. The equation of the line that pass through the points (-1,1) and (2,7) is best expressed as: A. y = 2x + 3 B. y = 3x + 2 C. y = -2x – 11 D. y = 2x – 3 E. None of the above
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5. Understand Example 2 on p. 108 and use iclicker to choose the solution of the following
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This note was uploaded on 09/21/2009 for the course DS 71 taught by Professor Wright during the Spring '08 term at CSU Fresno.

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DS 71 iClicker Questions - DS 71 Clicker Questions Chapter...

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