Subject

Algebra

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Quizzes in Algebra

Select all expressions equivalent to 5x + 35.

  • 5(x + 7)
  • 5x + 35
  • 12x
  • 5x + 7
Correct answer(s):
    • 5(x + 7)
    • 5x + 35


The sides of a rectangle are (2x + 2) cm and (5x + 7) cm. Which expression represents its area?

  • 10x^2 + 14
  • 10x^2 + 24x + 14
  • 7x + 9
Correct answer(s):
    • 10x^2 + 24x + 14

3 years from now, Rina’s father’s age will be 3 times Rina’s age. Rina is now 13. How old is her father now?

  • 45
  • 42
  • 39
  • 48
Correct answer(s):
    • 45

Expand: (x – 6)^2.

  • x^2 + 12x + 36
  • x^2 – 36
  • x^2 – 12x + 36
Correct answer(s):
    • x^2 - 12x + 36

A line has slope 2 and y-intercept 5. Which equation represents the line?

  • y = 2x + 5
  • y = 2x + 6
  • y = -2x + 5
Correct answer(s):
    • y = 2x + 5


A shop charges a fixed delivery fee of 27 taka plus 6 taka for each notebook. If the total cost is 51 taka, how many notebooks were ordered?

  • 2
  • 4
  • 8
  • 5
Correct answer(s):
    • 4

A linear rule produces these values: x=2 gives y=3, x=3 gives y=7, x=6 gives y=19. Which rule matches the table?

  • y = 4x – 4
  • y = 5x – 5
  • y = 4x – 5
  • y = -4x – 5
Correct answer(s):
    • y = 4x - 5

The sides of a rectangle are (9x + 2) cm and (8x + 7) cm. Which expression represents its area?

  • 72x^2 + 63x + 14
  • 17x + 9
  • 72x^2 + 79x + 14
  • 72x^2 + 14
Correct answer(s):
    • 72x^2 + 79x + 14


7 years from now, Rina’s father’s age will be 2 times Rina’s age. Rina is now 10. How old is her father now?

  • 27
  • 34
Correct answer(s):
    • 27