Starter quiz

  • If the side of an equilateral triangle is 3n+1, write an expression for the perimeter.
    • '3(3n+1)' ✓
  • If the side of a regular pentagon is 14y - a write an expression for the perimeter.
    • '5(14y - a)' ✓
  • Which of the following is an expression for the area of a square with side length 3x
    • 3x^2
    • (3x^2)
    • (3x)^2  ✓
  • What is the value of x for 5(x + 7) = 30?
    • '-1' ✓
  • If x is a positive integer, what is the value of x for x^2 - 4 = 0?
    • '2' ✓
  • What is the value of x for 2x - 3 = 7?
    • '5' ✓
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