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le 10 For 11 11. Wh QUIZ MULTIPLE CHOICE. INSTRUCTIONS: Read each question carefully. Encircle the letter of the correct answer. NO ERASURE 12. Fir For items #1 to #10: 12 pts each) 13.A b. 81x2 - 6472 d. 81x2 + 64y? 14. 1. What is the product of (9x-8y) (9x + y) a. 81x2 - 144ry + 642 c. 81x2 - 72xy + 64y 2. Simplify: (a + b)2-(a + b)(a - b). a. Zab c. 2(+b) b. 2a + 2ab d. 2ab - 252 15 3. Find the product of (4a - 50) (1622 + 20ab + 256-). a. 2003 - 12503 b. 1603 - 2563 c. 6403 +60a-b - 100cb2 + 12503 d. 64a3 - 12553 4. A polynomial of four terms is factored by grouping and the result is (x + y + z(x+ y-z). Find the polynomial. a. x² + xy - yz - 2² b. x2 + xy + y? - z c.x² + 2xy + y - z² d. x2 + y2 – 2yz - z2 5. Express the dimensions of a square whose area is 361m?n? - 49. a. (19mn-7)(19mn +7) b. (19mn-7)(19mn - 7) C. (19mn + 7)(19mn + 7) d. (19m - 7n)(19m + 7n) 8. Simplify: (5x2 + 3y) - a. 125x5 + 125x+y + 135x2y2 + 27y3 b. 125x® + 225x+y+135x²y2 + 27y3 c. 125x + 225x+y + 125x2y2 + 27y3 d. 225x + 125x+y + 135x²y2 + 27y3 9. Find the product of (2c + 1)(c2 - 6c + 3). a. 20 + 1102 +3 c. 203 - 11c2 - 1 b. 2c3 – 11c2 + 3 d. 2c3 +11c2 - 1 10. What should be multiplied to the binomial (6 + 2) to have a product of (b3 - 2b2 + 2)? a 6² – 1 b.b2 + 1 c. b2 = 2b +1 d. (62 – 4b + 8) + (-14)
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