13. Which of the following are the prime factors of the expre A.5.9.x.x.x.y.y.y.y.y B. 5.3.3.x.x.x.y.y.yy.y C. 15.3.x.x.x.y.y.y.y.y D. 45.x.yº
14. Which of the following satisfies 4x2 + 5y3, if x =3 and y = 4? A.356 B. 300 C. 350 D. 500
15. The simplified form of the expression 28x"y?z5 7x²y+z2 A.7x²y3z? B. 6x2y3z C. 4x2y373 D. 5x2y3z3
16. How will you state the expression 2x + 3y, in verbal phrase? A. 2x greater than 3y C. twice x increased by thrice y B. the product of 2x and 3y D. two times plus 3y
17. In the mathematical phrase 4x2 +7= 43, what should be value of x, to make the statement true? A. B. 3 C. 4 D. 5
18. Given the value of x = 3, which of the following is the simplified form of the expression ? A.2 B. 3 C. 1 D. 9
19. When is 2x + 4 = 8? Ax=3 B. x= 2 C. X= 4 D. x= 1
20. If the sum of the numbers is 15 and its product is 56, what are the numbers? A.9 ano B. 7 and 8 C. 10 and 5 D. 11 and 4 27
