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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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