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Still Confused?

Try reviewing these fundamentals first.

Still Confused?

Try reviewing these fundamentals first.

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That's that last lesson.

Start 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 NowStart now and get better math marks!

Get Started Now- Lesson: 114:18
- Lesson: 28:30
- Lesson: 37:31

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,

- 1.

Solve:

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

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

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

- 2.

Solve:

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

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

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

- 3.

Solve:

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

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

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

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

We have over 1720 practice questions in GCSE Maths for you to master.

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