Graphs of Quadratic Functions (Leaving Cert Mathematics): Quizzes
📚Quizzes
Practise the questions
11 questions from this quiz
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Practise the questions
11 questions from this quiz
What is the highest power of in a quadratic function?
What is the highest power of in a quadratic function?
2
In , why must ?
In , why must ?
Becomes linear if
What is the name of the curved shape formed by a quadratic graph?
What is the name of the curved shape formed by a quadratic graph?
Parabola
If the coefficient of is positive, which way does the parabola open?
If the coefficient of is positive, which way does the parabola open?
Upwards (U-shape)
If the coefficient of is negative, which way does the parabola open?
If the coefficient of is negative, which way does the parabola open?
Downwards (∩-shape)
For an upward-opening parabola, what is the vertex?
For an upward-opening parabola, what is the vertex?
Minimum point
What divides a parabola into two identical halves?
What divides a parabola into two identical halves?
Axis of symmetry
When drawing a parabola, how should you join the plotted points?
When drawing a parabola, how should you join the plotted points?
Smooth curved line
What property of differences confirms a function is quadratic?
What property of differences confirms a function is quadratic?
Second differences are constant
What is the general form of a quadratic function?
What is the general form of a quadratic function?
What key characteristic do all parabolas share?
What key characteristic do all parabolas share?
They are symmetrical