Quadratic Graphs and Real-Life Problems (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 standard form of a quadratic function?
What is the standard form of a quadratic function?
where
When in a quadratic function, what shape does the parabola have?
When in a quadratic function, what shape does the parabola have?
Opens upward (U-shape) with minimum point
When in a quadratic function, what feature does the parabola have?
When in a quadratic function, what feature does the parabola have?
Opens downward with a maximum point
What is the first step when creating a function table?
What is the first step when creating a function table?
Choose a range of x-values
For , what is the value of when ?
For , what is the value of when ?
What is the vertex of a parabola?
What is the vertex of a parabola?
The highest or lowest point
What is the y-intercept of a parabola?
What is the y-intercept of a parabola?
Where it crosses the y-axis (x = 0)
In the temperature example, what is the maximum temperature reached?
In the temperature example, what is the maximum temperature reached?
6.25°C at 1 p.m.
In the temperature example, how long does the temperature stay above 0°C?
In the temperature example, how long does the temperature stay above 0°C?
10 hours (8 a.m. to 6 p.m.)
In the projectile motion example, what maximum height does the ball reach?
In the projectile motion example, what maximum height does the ball reach?
12 metres
In the projectile example, how far away does the ball land from where it was thrown?
In the projectile example, how far away does the ball land from where it was thrown?
50 metres away
What is a common error when creating function tables?
What is a common error when creating function tables?
Forgetting to square negatives correctly