The Sign of a Function (HSC SSCE Mathematics Advanced): Quizzes

📚Quizzes
The Sign of a Function
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

Where is f(x)<0f(x) < 0 on a graph?

Below the xx-axis

What does a square bracket mean in interval notation?

Endpoint is included

How is −2≤x<3-2 \leq x < 3 written in bracket notation?

[−2,3)[-2, 3)

What does the union symbol ∪\cup correspond to in mathematics?

The word 'or'

Where can a function change sign?

At zeroes or discontinuities only

Why does infinity always use a round bracket?

Infinity cannot be included

For y=x−2x+3y = \frac{x-2}{x+3}, where is the discontinuity?

x=−3x = -3

What happens at a repeated zero like (x−1)2(x-1)^2?

Touches xx-axis, no sign change

How many test values are needed per interval in a sign table?

One

To solve x2+3>2xx^2 + 3 > 2x, what is the first step?

Rearrange to x2−2x+3>0x^2 - 2x + 3 > 0

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

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