1. -3ab + 4ac - 2ad = -(3ab - 4ac + 2ad) True False -3ab + 4ac - 2ad = -(3ab - 4ac + 2ad) -3ab + 4ac - 2ad = -3ab + 4ac - 2ad 2. A father gave $500 to his two sons. He gave X dollars to one son. Which of the following expressions correctly shows the amount he gave to the other son. a. $500 + X b. $500 ÷ X c. $500 x X d. $500 - X If X represents the amount given to one son, $500 - X represents the amount given to the other son. 3. Solve X where 5X = 20. a. 4 b. 5 c. 10 d. 15 5X = 20 X = 20 ÷ 5 X = 4 4. Solve X where X - 5 = 15. a. 10 b. 15 c. 20 d. 25 X - 5 = 15 X = 15 + 5 X = 20 5. Solve X where 3X + 7 - 2 = 8. a. 1 b. 2 c. 3 d. 4 3X + 7 - 2 = 8 3X + 5 = 8 3X = 3 X = 3 ÷ 3 X = 1 6. Irene is N years old. If Tom is twice as old, which of the following algebraic statements shows his age now? a. 2N b. 2N + X c. 2 - N d. N - 2 If Irene is N years old and Tom is twice as old as Irene, the algebraic formula to show how old Tom is would be 2 x N or 2N. 7. John has B bats and buys C bats more. He then gives away D bats. Which of the following algebraic statements corretly shows how many bats John has left? a. D - BC