а a b. *x+x> 21 c. x+x< 21 d. įx + x = 21 a. A. MULITPLE CHOILL provided before each number. C__ 1. It is a statement that two expressions are equal in value. c. expression/d. equation b. sentence a. phrase 2. The sum of a number and 8 is 15. a. x + 8 = 15 b. x + 8 > 15 C. X + 8 < 15 d. x + 8 + 15 3. The sum of half a certain number and one-fifth of the same number is 21. 1 x + x = 21 x< x 4. Twice a number is 60 a. 3x = 60 b. 2x = 60 C. X = 60 d. 3x > 60 5. Write the sentence "5 is less than twice a number" in symbol. a. 2n - 5 b. 5<2n C. 5 - 2n 6. AJ's age is twice the age of Anna. The sum of their ages does not exceed 40. a. x + 2x < 40 b. x + 2x =40 C. X + 2x > 40 d. x + 2x< 40 7. The value of x in the expression x - 6 = 9 is a. 3 d. 2n < 5 C. 15 d. 9 b. 6 8. Find 3 values of x in the inequality x < 1 to make the inequality true or correct. b. 1, 2, 3 a.-2, -3, -4 d. 7,8,9 C. 4, 5, 6 9.5 = 5 is an example of a a. Reflexive property of equality C. Transitive property of equality b. Symmetric property of equality d. Addition property of equality 10. Graph the given inequality + 4>5 on the number line. b. 3 a. 2 11. The sides of the quadrilateral are consecutive numbers. If the perimeter is 160, how long is each side? a. 36 and 38 b. 37 and 39 C. 40 and 41 d. 43 and 45
