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- Polynomial Functions

Still Confused?

Try reviewing these fundamentals first.

Still Confused?

Try reviewing these fundamentals first.

Nope, I got it.

That's that last lesson.

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Get Started NowStart now and get better math marks!

Get Started NowStart now and get better math marks!

Get Started NowStart now and get better math marks!

Get Started Now- Intro Lesson14:18
- Lesson: 18:30
- Lesson: 27:31

Basic concepts: Solving quadratic equations by factoring, Solving quadratic equations by completing the square, Solving quadratic equations using the quadratic formula,

Related concepts: Graphing quadratic inequalities in two variables, Graphing systems of quadratic inequalities,

- Introduction

Solve:

i) $x^2+2x-15=0$

ii) $x^2+2x-15\leq0$

iii) $x^2+2x-15$ $>$ $0$

- 1.

Solve:

i) $-2x^2+x+3=0$

ii) $-2x^2+x+3 \ge 0$

iii) $-2x^2+x+3$ < $0$

- 2.

Solve:

i) $x^2-10x+25=0$

ii) $x^2-10x+25$ > $0$

iii) $x^2-10x+25$ < $0$

iv) $x^2-10x+25 \leq 0$

6.

Polynomial Functions

6.1

Solving quadratic equations by factorising

6.2

Solving quadratic equations by completing the square

6.3

Using quadratic formula to solve quadratic equations

6.4

Nature of roots of quadratic equations: The discriminant

6.5

Applications of quadratic equations

6.6

Solving quadratic inequalities

We have over 1040 practice questions in AU Year 12 Maths for you to master.

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