Families of Quadratic Polynomial Functions (VCE SSCE Mathematical Methods): Quizzes

📚Quizzes
Families of Quadratic Polynomial Functions
Sign up to keep practising.Create a free account to play more quizzes and track your progress.

Practise the questions

10 questions from this quiz

Show

What is a family of parabolas?

A group sharing common characteristics

What do parameters in quadratic families represent?

Values which can vary

What characteristic do all parabolas in family y=ax2y = ax^2 share?

Vertex at origin

When a>0a > 0 in quadratic function, what happens?

Parabola opens upward

How does larger a|a| affect parabola shape?

Makes it narrower

Which form to use when two x-intercepts are known?

y=a(xe)(xf)y = a(x - e)(x - f)

Which form to use when turning point is known?

y=a(xh)2+ky = a(x - h)^2 + k

Which form to use when three points are known?

y=ax2+bx+cy = ax^2 + bx + c

When does discriminant Δ=b24ac\Delta = b^2 - 4ac equal zero?

Parabola touches x-axis at one point

If x-intercept is 3-3, how to write in intercept form?

(x+3)(x + 3)

Join 100,000+ SSCE students studying Quizzes with us.

Select your subjects, and get access to A+ resources today.