Quadratic Sequences (Grade 11 NSC Matric Mathematics): Quizzes
📚Quizzes
Practise the questions
10 questions from this quiz
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Practise the questions
10 questions from this quiz
What is the key feature that identifies a quadratic sequence?
What is the key feature that identifies a quadratic sequence?
Constant second difference
If the second difference in a quadratic sequence is 6, what is the value of ?
If the second difference in a quadratic sequence is 6, what is the value of ?
What is the general form of a quadratic sequence?
What is the general form of a quadratic sequence?
How do you calculate first differences in a sequence?
How do you calculate first differences in a sequence?
Subtract each term from the next term
A sequence has first differences 5, 7, 9, 11. Is it quadratic?
A sequence has first differences 5, 7, 9, 11. Is it quadratic?
Yes, second differences are constant (2)
What shape do quadratic sequences form when plotted on a graph?
What shape do quadratic sequences form when plotted on a graph?
Parabolic curve
If in , which way does the parabola open?
If in , which way does the parabola open?
Downward
How many matches are needed for 5 teams in a round-robin tournament?
How many matches are needed for 5 teams in a round-robin tournament?
10 matches
To find , , and in , what should you use?
To find , , and in , what should you use?
First three terms for simultaneous eqns