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Your solutions(10 points).
1. Find the result when you subtract (8y + 6z) from (10y - 6z). A. -2y + 122 B. -2y -122 C. 2y-12z D. 2y+12z 2. When (12a + 5b - c) is added to (3a + 4b + 8c), what will be the result? A. 15a + 9b + 7c B.-15a - 2b-9c C. 15a-2b-2c D. -9a+2b+2c 3. What is the difference of (5x{yz) - (-5xyz)? A. 10xyz B. 10x²y3z C. -10x²y³z D. -10xyz 4. Subtract the expressions (35qrs) and (5qrs) A. -30qrs B. 30qrs C. 20qrs D. -20qrs 5. Marc has 3 different boxes of balls. The first box contains 22x's, and 16y's balls while the second box is filled with 3x's and 4y's. He decides to put all the balls together on the third box. What are the contents of the third box? A. -25x + 20y B. 25x – 12y C.-25x - 12y D. 25x + 20y 6. How many terms does pqr2 + p’qr? – pq?r + 7 have? A. 3 B. 4 C. 5 D.6 7. How many terms does a binomial have? A. 1 B. 2 C.3 D.4 8. Which of the expressions below represents the phrase "the product of c and a number d"? A. C+d B. c-d C. c•d D. C÷d 9. How can you translate 3m + 2 in English phrase? C. Three more than twice a number m A. Two more than thrice a number m D. Three less than twice a number m B. Two less than thrice a number m 10. What is the equivalent expression to the phrase "four times the sum of a number n and ten”? A. 4(n+10) B. (4+ n) 10 C. (4÷n) 10 D. 4(n ÷ 10)
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