Other questions in this quiz

2. area of triangle where you know the side lengths

  • 1/3 b x h
  • 1 / 2 b x h^2
  • 1/2 b x h
  • 1/2 b x h x l

3. area of a triangle where the length of sides are unknown

the sin cos tan are the same as used in trigonometry sohcahtoa

  • 1/2 ab sinC
  • 1/3 a cos bc
  • 1/2 abc tan
  • 1/2 a sin bc

4. cos angle pythagoras

  • cos θ = h x o
  • cos θ = a/h
  • cos θ = a x h
  • cos θ = h/a

5. Click the box with the correct quadratic formula.
Hint: the question form is ax^2 + bx + c = 0 where a isn't equal to 0.
^2 this means squared and this √ is square root.

  • - b +- √b^2 - 4ac
    x = _______________
    2 a
  • - 4b +- √b^2 - ac
    x = _______________
    2
  • - b +- √b^2 - bac
    x = _______________
    2a
  • b +- √b^2 - 4ac
    x = _______________
    2a

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