The Trapezoidal Rule (Leaving Cert Mathematics): Quizzes
📚Quizzes
Practise the questions
12 questions from this quiz
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Practise the questions
12 questions from this quiz
What is the primary purpose of the trapezoidal rule?
What is the primary purpose of the trapezoidal rule?
Find approx. areas of irregular shapes
Which professionals frequently use the trapezoidal rule?
Which professionals frequently use the trapezoidal rule?
Engineers and surveyors
In the formula , which ordinates are multiplied by 2?
In the formula , which ordinates are multiplied by 2?
Middle/remaining ordinates
How many ordinates are needed for 5 strips?
How many ordinates are needed for 5 strips?
6 ordinates
What are the vertical measurements in the trapezoidal rule called?
What are the vertical measurements in the trapezoidal rule called?
Offsets or ordinates
What happens to accuracy when you use more strips (narrower widths)?
What happens to accuracy when you use more strips (narrower widths)?
Accuracy improves
In the trapezoidal rule formula, what does represent?
In the trapezoidal rule formula, what does represent?
Width of each strip
For ordinates 20, 15, 18, 12, which values are the 'middle ordinates'?
For ordinates 20, 15, 18, 12, which values are the 'middle ordinates'?
15 and 18
Using , ordinates 0,10,8,0, find area using
Using , ordinates 0,10,8,0, find area using
36 square units
For measurements above and below a baseline, how do you find the total ordinate?
For measurements above and below a baseline, how do you find the total ordinate?
Add above and below values
Does the trapezoidal rule give an exact or approximate area?
Does the trapezoidal rule give an exact or approximate area?
Gives approximate area
If a surveyor uses 6 strips, how many ordinates are required?
If a surveyor uses 6 strips, how many ordinates are required?
7 ordinates