9. Ciaghne buys a reel of thread for sewing. There are 10 m of thread on the reel. She uses 510 cm. How C. 1.6 cm d) 1.5 cm much is left on the reel in centimeters? a. 470 cm b. 480 cm 10. Andreiu bought 3000 grams of rice in the market. How many kilograms is this? C. 490 cm d. 500 cm a. 0.3 kg b. 3 kg c. 30 kg d. 300kg 11. Alwyn is moving to a new house. His old house is 4 kilometers away from his new house. How many meters is the distance from the old house to the new one? a. 4000 m b. 400 m C. 40 m d. 4 m 12. What is "twelve added to a number" in mathematical expression? a. a + 12 b. 12a c. 12 = a d. 12-a 13. What is "the product of fourteen and a number" in mathematical expression? a. 14 + x b. 14x C. X-14 d.x (14x) 14. Which of the following is the correct translation for the phrase, “seven greater than twice the difference of two numbers?" a. 7 + 2(x - y) b. 7-2(x-y) c. 2(x-y) - 7 d. 7 - 2 (x+y) 15. Which of the following expressions represents the statement "a number y increased by 32"? a. y - 32 b. y + 32 c. y + 3x d. 32x 16. What is the degree of the polynomial in 4x5 – 12x^y2 + 7? b. 5 d. 7 17. How many terms are present in the polynomial x2 + 2x + 12? b. 2 d. 4 18. Evaluate a2 + 12a-3 when a= 3. b. 45 C. -42 d. -45 19. Find the value of the polynomial 5m2 + 3n if m= 2 and n= -1. b. -23 d. -17 20. If x= 5, what is the numerical value of the polynomial x2 + 2x - 1? b. -34 d. -36 a. 4 C. 6 a. 1 C. 3 a. 42 C. 17 a. 23 C. 36 a. 34
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Hindi po maintindihan sorry po!