1. Select the correct factorization. A. 52b2c = 2 · 2 · 13 · b · b · c B. 66ax3 = 2 · 33 · a · x · x C. –49z3b2 = –1 · 7 · 7 · z · z · b · b D. 57axy2 = 57 · a · x · y · y · y Hint 2. The product of the prime factors common to two integers is called the _____. A. least common denominator B. composite term C. greatest common factor D. prime factorization Hint 3. Factor the polynomial 6x2 + 2x. A. 3x(2x + 1) B. 3x2(2x + 1) C. 2x2(3x + 1) D. 2x(3x + 1) Hint 4. Factor the trinomial x2 + 13x + 36. A. (x + 9)(x + 4) B. (x + 2)(x + 18) C. (x + 6)(x + 6) D. (x + 3)(x + 12) Hint 5. Factor the trinomial 10x2 + 13x – 3. A. (2x + 3)(5x – 1) B. (2x – 1)(5x + 3) C. prime D. (2x – 3)(5x + 1) Hint 6. The area of a square is 4x2 + 12x + 9. Find the perimeter. A. 4x + 6 B. 4x – 6 C. 8x + 3 D. 8x + 12 Hint 7. Factor the binomial x2 + 81. A. prime B. (x + 9)2 C. (x – 9)(x + 9) D. (x – 18)(x + 5) Hint 8. Factor the polynomial 3cd2 + 9b3. A. c(3d2 + 9b3) B. 3(cd2 + 3b3) C. cannot be factored D. 3c(d2 + 3b3) Hint 9. Factor the trinomial x2 – 5x + 6. A. (x – 6)(x – 1) B. (x – 3)(x – 2) C. (x + 6)(x – 1) D. (x + 3)(x – 2) Hint 10. Factor the trinomial 5c2 – 7c – 24. A. (5c + 8)(c – 3) B. (5c + 3)(c – 8) C. (5c – 8)(c + 3) D. (5c – 3)(c + 8) Hint