In a table, y = 6x + 9. Which ordered pair belongs to the table? Think carefully about the inverse operation.

  • (6, 45)
  • (45, 6)
  • (7, 45)
  • (6, 21)
  • (6, 45)


In a table, y = 6x + 9. Which ordered pair belongs to the table? Use the balance method before choosing.

  • (21, 2)
  • (3, 21)
  • (2, 17)
  • (2, 21)
  • (2, 21)


A number x is divided equally among 3 students. Each student gets 6. Which equation correctly represents the situation?

  • x – 3 = 6
  • x/3 = 6
  • x + 3 = 6
  • 3x = 6
  • x/3 = 6

Each packet has 2 stickers. There are x packets and 32 stickers altogether. Which equation correctly represents the situation?

  • x – 2 = 32
  • 2x = 32
  • x/2 = 32
  • x + 2 = 32
  • 2x = 32

A box has x marbles. After giving away 11, 4 marbles remain. Which equation correctly represents the situation?

  • x – 11 = 4
  • x + 11 = 4
  • x/11 = 4
  • 11x = 4
  • x - 11 = 4

Rina has x pencils and buys 7 more. Now she has 21 pencils. Which equation correctly represents the situation?

  • 7x = 21
  • x + 7 = 28
  • x + 7 = 21
  • x – 7 = 21
  • x + 7 = 21

A bus fare is 8 taka per student. For x students, the total fare is 104 taka. Which equation correctly represents the situation?

  • x/8 = 104
  • 8x = 104
  • x – 8 = 104
  • x + 8 = 104
  • 8x = 104

Sam’s age is x. His brother is 3 years older and is 15 years old. Which equation correctly represents the situation?

  • x – 3 = 15
  • x + 3 = 15
  • x + 3 = 18
  • 3x = 15
  • x + 3 = 15


A number x is divided equally among 5 students. Each student gets 11. Which equation correctly represents the situation?

  • x + 5 = 11
  • 5x = 11
  • x/5 = 11
  • x – 5 = 11
  • x/5 = 11

Each packet has 4 stickers. There are x packets and 40 stickers altogether. Which equation correctly represents the situation?

  • x – 4 = 40
  • x + 4 = 40
  • 4x = 40
  • x/4 = 40
  • 4x = 40